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Best Tumor Marker Blood Test gastroenterologists: TOP 184 doctors

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Content meets the Bookimed Editorial Policy and is medically reviewed by
Fahad Mawlood - General practitioner. Winner of 4 scientific awards. Served in Western Asia. Former Team Leader of a medical team supporting Arabic-speaking patients. Now responsible for data processing and medical content accuracy.
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Elnur Sahibov
Radiation oncologist
9 years of experience
4.2
32 reviews
Turkey, Istanbul
Emsey Hospital

Elnur Sahibov

Radiation oncologist
9 years of experience

Licensed Radiation Oncologist with 8 years of medical training, including undergraduate studies at Marmara University Faculty of Medicine (2004-2011) and Radiation Oncology specialization training at Marmara University Faculty of Medicine (2012-2016). Previous education from Sixteen Numbered Shirvan School (Azerbaijan) High School (1998-2004).

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4.2
32 reviews
Doctor's visit price on request
Lung segmentectomy $12000 - $20000
Colectomy (large bowel resection) $11000 - $16000
Hysterectomy (uterus removal) $9500 - $14500
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Ilker Kahramanoglu
Obstetrician-gynecologist
16 years of experience
Turkey, Istanbul
Prof. Dr. Ilker Kahramanoglu Clinic

Ilker Kahramanoglu

Obstetrician-gynecologist
16 years of experience

He was born in 1985 in Antalya. He completed his primary and secondary education in Antalya. Between 2003 and 2009, he studied at the Cerrahpaşa Medical Faculty of Istanbul University. In 2009, he started his residency in Obstetrics and Gynecology at the Istanbul Suleymaniye Obstetrics and Pediatrics Education and Research Hospital. During his residency, he worked in obstetrics, Gynecology, Oncology, Endoscopic Surgery, Perinatology (high-risk pregnancy), In and Menopause units.

In 2011, he spent two months in India studying actively on laparoscopy at World Laparoscopy Hospital. In 2014, he received the title of Obstetrician and Gynecologist. In the same year, he came 2nd in Turkey in the examination for Minor Specialty in Medicine and started his minor residency in Gynecological Oncology Surgery at Istanbul University Cerrahpasa Faculty of Medicine, Department of Obstetrics and Gynecology.

In 2017, he worked for three months at Memorial Sloan Kettering Cancer Center in New York, United States. In 2018, he became a minor specialist in Gynecological Oncology Surgery. In the same year, the European Society of Gynecological Oncology awarded him the personally accredited European Gynecologist Oncologist certificate (3rd person in Turkey). For about 1.5 years, he served at Gazi Yaşargil Training and Research Hospital under the Obligation of Civil Service. In 2019, he participated in active surgery and cadaver work together with Michael Höckel, one of the pioneers of Gynecological Oncology at the University of Leipzig, Leipzig, Germany. That same year, he was a “visiting fellow” at the Catholic University of the Sacred Heart in Rome, Italy.

He was awarded the title of Associate Professor in August 2019. He participated in numerous national and international congresses, symposiums and workshops and served as guest speaker. His surgery videos have been selected as training videos by the European Society of Gynecological Oncology and are published on their site for doctors.

He has 56 international and 10 national publications. He was the editor of the Turkish translation of the book, which is considered the main international source in Gynecological Oncology. He is the author of 7 chapters of international and national books. He has over 100 works in Turkey and abroad as oral presentations, poster presentations and panel presentations. He is refereeing for internationally respected journals. He has a good command of English. He follows up and implements all developments in his field.

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Mehmet Cemil Uygur
Urological surgeon
38 years of experience
4.3
87 reviews
Turkey, Istanbul
Medicana Atasehir Hospital

Mehmet Cemil Uygur

Urological surgeon
38 years of experience

accreditations:

European Association of Urology
American Urological Association
Society of Urologic Oncology

orchiopexy in cryptorchidism: a single centre experience with long-term follow-up. PEDIATRIC SURGERY INTERNATIONAL, 18 : 140-141, 2002

 

Uygur MC, Tan MO, Ünal D, Erol D: The outcome of one-stage repair of proximal hypospadias with wide ventral preputial island flap. PEDIATRIC SURGERY INTERNATIONAL, 18: 139-140, 2002

Dr. Uygur is an international urologist with a Medical Graduate and M.D. Degree from Hacettepe University Medical School, a research fellowship from the Transplantation Laboratory of Helsinki University, and residency in Urology from Hacettepe University Medical School. He has over 300 international and national publications and presentations, with 781 scientific citations to 41 articles. He is a full member of the European Association of Urology, a corresponding member of the American Urological Association, a member of the Society of Urologic Oncology, and a board member of the Turkish Society of Urologic Oncology. He has completed robotic urologic surgery courses at Vanderbilt University Hospital, the Cleveland Clinic, and the USC Norris Comprehensive Cancer Center. He is the Professor of Urology and Chair at the Near East University Medical School, the Chief of Urology at the Anadolu Medical Center in Affiliation with Johns Hopkins Medicine, and the Director of Urooncology and Urologic Robotic Surgery Programmes at the Anadolu Medical Center. He is also a scientific secretary of biannual Ankara Urooncology Courses, and has organized many national or regional Urology and Urooncology meetings.

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4.3
87 reviews
Doctor's visit price on request
transplantation from an unrelated donor $75000 - $125000
Radiotherapy for cervical cancer $3000 - $9000
transplantation $40000
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Fuad Nurili
Radiologist
17 years of experience
Turkey, Istanbul
Menfis Health Novimaj

Fuad Nurili

Radiologist
17 years of experience
Dr. Fuad Nurili is a board-certified radiologist specializing in obesity treatment and interventional oncology. He is a co-founder of a medical institution, known for his extensive research, contributions to medical literature, and commitment to patient care.Read more
Gastric balloon
Gastric balloon
Gastric balloon
Gastric balloon
Gastric balloon
Before and After Pictures
Gastric balloon
Gastric balloon
Gastric balloon
Gastric balloon
Gastric balloon
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Isil Yurdaisik
Radiologist
35 years of experience
Turkey, Istanbul
Menfis Health Novimaj

Isil Yurdaisik

Radiologist
35 years of experience
Dr. Isil Yurdaisik is a radiology specialist with notable contributions to research on ionizing radiation exposure in covid-19 patients. She is also known for performing the gastric balloon procedure.Read more
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Tuncay Tas
Plastic surgeon
21 years of experience
Turkey, Istanbul
Safe Urology

Tuncay Tas

Plastic surgeon
21 years of experience

Field of Speciality: Urology
Date of Birth: 1980
School of Medicine:  Istanbul University School of Medicine
Graduate Medical Education: University of Health Sciences Taksim Training & Research Hospital
Fellowship: Urological Oncology and Laparoscopic Urology Department of Urology SLK Kliniken Heilbronn University of Heidelberg, Germany
Foreign Language: English

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Songul Serefhanoglu
Hematologist
16 years of experience
4.2
5 reviews
Turkey, Istanbul
ISU Gaziosmanpasa

Songul Serefhanoglu

Hematologist
16 years of experience

Prof. Songul Serefhanoglu is a Hematologist at ISU Medical Park since 2019, and has been the Director and President of Adult Hematology Department of Sisli Memorial Hospital, Istanbul since 2019. He completed his Medical Education from Firat University, Elazig/Turkey (1994-2000), Internal Medicine from Inonu University, Malatya/Turkey (2001-2005), and Hematology from Hacettepe University, Ankara/Turkey (2006-2009). He has been involved in peripheral hematopoietic stem cell transplantation, with an average of 100-120/year.

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Ilker Nihat Okten
Clinical oncologist
19 years of experience
3.5
3 reviews
Turkey, Istanbul
Istanbul Oncology Hospital

Ilker Nihat Okten

Clinical oncologist
19 years of experience
Dr. Ilker Nihat Okten is a medical oncologist who is board certified by the European Society of Medical Oncology (ESMO). He has been involved as a sub investigator in multiple phase III clinical trials for various cancers and has several publications in the field of oncology.Read more
3.5
3 reviews
Doctor's visit price on request
Radiotherapy $2000 - $4500
Radiotherapy for prostate cancer $2000 - $4500
Gamma Knife $4000 - $4500
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Raj Nagarkar
Clinical oncologist
29 years of experience
India, Nashik
HCG Manavata Cancer Centre

Raj Nagarkar

Clinical oncologist
29 years of experience

accreditations:

Royal College of Surgeons, Edinburgh

Dr. Raj is a highly experienced Surgical Oncologist with 19 years of experience and over 50,000 cancer surgeries performed. He is involved in numerous clinical trials and has many international and national publications to his credit. He specializes in Breast and Thoracic Surgical Oncology and serves as a professor for DNB Superspecialty Surgical Oncology and Breast Surgery at the Maharashtra University of Health Sciences. His belief is in "adding life to years" and improving the quality of life, not just adding years to life.

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Doctor's visit price on request
Tongue cancer surgery $5900 - $8000
Stomach cancer surgery $2500 - $8500
Chemotherapy for lung cancer $1100 - $1250
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Osman Aktas
Gastrointestinal surgeon
33 years of experience
Turkey, Istanbul
Avicenna International Hospital

Osman Aktas

Gastrointestinal surgeon
33 years of experience

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

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Ismail Biri
General surgeon
22 years of experience
Turkey, Ankara
Private Koru Ankara Hospital

Ismail Biri

General surgeon
22 years of experience

Education

 

İnönü Üniversitesi Tıp Fakültesi (ingilizce) 1995- 2002

 

Work Experience

Başbakanlık S.H.Ç.E.K. Genel Müdürlüğü Kurum Hekimliği (2003)

 

Erciyes Üniversitesi Tıp Fakültesi Genel Cerrahi Uzmanlığı 2011

 

Yüzüncü Yıl Üniversitesi Temel ve İleri Düzey Endoskopik Girişimler Eğitimi 2011

 

İstanbul Hastanesi /Van 2011

 

Özel Malatya Hastanesi / Malatya2012

 

Bilgi Tıp Merkezi Keçiören /Ankara 2013

 

Özel Koru Sincan Hastanesi Sincan/Ankara 2013

 

Baş Tibb Mərkəzi /Baku Clinic Azerbaycan/Bakü 2013

 

Yüksek İhtisas Üniversitesi Özel Koru Ankara Hastanesi 2019

 

Özel Ankara Koru Hastanesi /Ankara 2019

Medical Interests

laparoscopic obesity
Laparoscopic abdominal and inguinal hernia repairs (with the latest techniques)

Postpartum laparascopic diastasis recti (the formation of a protrusion in the upper middle abdomen due to the separation of the muscles in the abdominal tissue) and abdominal hernias above the navel and and gobekustunde both diastasis recti repair and abdominal hernia repair from the skin with laparascopic scola method for the first time in Turkey laparascopic stomach hernia and antireflu surgery).  

Laparoscopic gallbladder surgeries, including cleaning the bile duct with trans-cystic choledochal irrigation in patients with bile sludge and stones less than 5mm in the bile duct, performed in the same session

Laparoscopic gallbladder surgeries in pregnant women during the 2nd and 3rd trimesters, i.e., after 12 weeks of pregnancy

Laparoscopic Appendectomy in Pregnancy

Anal disorders, anal fissures, all types of internal and external hemorrhoid surgeries, anal fissure, and anal fistula surgeries

Thyroid surgeries and cancers, parathyroid surgeries and cancers

Breast diseases and breast cancer surgery

Oncological surgery; liver and gallbladder and bile duct surgeries, stomach cancer surgery, colon cancer surgery, and liver resections for metastatic liver tumors

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Bernd Hertenstein
Clinical oncologist
4.2
37 reviews
Germany, Bremen
Bremen-Mitte Clinic

Bernd Hertenstein

Clinical oncologist
Dr. Bernd Hertenstein is a highly experienced Clinical Oncologist, specializing in providing chemotherapy, radiotherapy, stem cell transplantation, tumour marker blood tests, and various other treatments for cancer patients. He is also a contributor to numerous publications.Read more
4.2
37 reviews
Doctor's visit price on request
Chemotherapy for stomach cancer $2602.17 - $5724.78
Radiotherapy for breast cancer
Brain tumor removal $12490.44 - $20817.4
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Prof Dr Ozgur Kemik
Clinical oncologist
28 years of experience
4.4
14 reviews
Turkey, Istanbul
Hermes Clinics

Prof Dr Ozgur Kemik

Clinical oncologist
28 years of experience
Dr. Prof Dr Ozgur Kemik is a senior oncologist specializing in cancer management using minimally invasive techniques. He is proficient in operations such as Removal of liver cancer, Liver transplant, and Gastric bypass among others. His expertise includes advanced laparoscopic surgery, lower gastrointestinal tract cancers, hepatobiliary cancers, cytoreductive surgery, and kidney transplantation. He is a member of several professional associations and has held significant leadership positions in his career.Read more
Stomach resection
Stomach resection
Stomach resection
Before and After Pictures
Stomach resection
Stomach resection
Stomach resection
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Yigit
Gastrointestinal surgeon
14 years of experience
Turkey, Antalya
Renovated Me Clinic

Yigit

Gastrointestinal surgeon
14 years of experience
Dr. Yigit S. Guner is a board-certified pediatric surgeon, specializing in general and thoracic surgeries for infants, children, and teens. He is also well-versed in the management of various clinical conditions such as hernias, hydrocele, circumcision, and tumors. His surgical skills include appendectomy, gastric polyps removal, resection of gallbladder, stomach resection, and complex treatment of pancreatitis among others. Dr. Guner is recognized for his research contributions and regularly presents lectures at national conferences.Read more
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Dr Tuncay Tas
Urological surgeon
22 years of experience
Turkey, Istanbul
Safe Urology Clinic

Dr Tuncay Tas

Urological surgeon
22 years of experience

accreditations:

Turkish Association of Urology
European Association of Urology

Field of Speciality: Urology
Date of Birth: 1980
School of Medicine:  Istanbul University School of Medicine
Graduate Medical Education: University of Health Sciences Taksim Training & Research Hospital
Fellowship: Urological Oncology and Laparoscopic Urology Department of Urology SLK Kliniken Heilbronn University of Heidelberg, Germany
Foreign Language: English

 

Having graduated from Istanbul University, Faculty of Medicine in Istanbul, he pursued Urological Surgery residency at University of Health Sciences Taksim Training & Research Hospital, Istanbul from 2005 to 2010. He subsequently completed fellowship training in Urological Oncology and Laparoscopic Urology at Department of Urology, Heilbronn, Heidelberg University, Germany.Dr. Taş is able to provide patients curative surgery that is extremely precise, preserves sexual function, has minimal blood loss, minimal pain and quick recovery.


Firsts of Safe Urology Clinic in Turkey: Penis injections of:
Cellular derived from adipose tissue
mesenchymal Cellular
Male-Shot

After graduating from Istanbul Medical Faculty in 2004, Dr. Tuncay Taş completed his specialization in Urology at Taksim Training and Research Hospital in 2010. After the training he received in 2006 and 2007 at the “Laparoscopy, Robotics and Oncology Center” of Heildelberg University, Heilbronn SLK Hospital, Germany, he continues to serve his patients in Turkey, especially in the field of Laparoscopic/Robotic Surgery. The majority of Tuncay Taş’s urology practice consists of man sexual health, cancer diagnosis and treatments

His sexual health and wellness practice offers cutting-edge technologies and treatment options for men. Dr Tas offers unique training and clinical protocols for practitioners who want to implement   Penile Implants , Penile Enhancement , SafeFill and MaleShot  into their practice. Dr Taş and his team presented the results of combined P.R.P (MALE-P-SHOT) and SVF application to the penis for the first time in Turkey at the scientific congress and shared the clinical results of these applications. It is also one of the first 5 centers in the world to publish the results of P.R.P (P.SHOT) applications. Dr Taş is one of the urology instructors at ISSCA who is fully involved in regenerative medicine.

(Source: At the congress organized by İHA International Cellular Therapies Association, Dr. Tuncay Taş shared his cell research in clinical regenerative medicine and erectile dysfunction. 2019, Sexual Medicine-Original Research2021, Apr;9(2):100313.doi:10.1016/j.esxm.2020.100313. Epub 2021 30 January.)

Recently Dr. Tas has developed a safe and effective treatment to improve penile circumference and has conducted training with a UK-based certification programme. This novel technique has been shown to have impressive and durable cosmetic results.

OTHER AREAS OF FOCUS

Robotic prostatectomy, Radical prostatectomy, HoLEP, Donor nephrectomy, Nephrectomy, Robotic surgery, Laparoscopic surgery, Prostate cancer, Kidney cancer, Bladder cancer, Testicular cancer, Retroperitoneal lymph node dissection for testicular cancer, Erectile dysfunction, Sexual dysfunction, Male in, Varicocelectomy, Male hypogonadism, Penile implant insertion, Urethroplasty, Penile reconstruction, Penile enlargement, Urethral reconstruction, Artificial urinary sphincter implantation, Bladder botox injection, Urodynamic testing, Bladder augmentation, Urinary diversion, Urethral stricture, Ureteral obstruction, HIPEC, Reconstructive surgery, Laparoscopic surgery, Fertility preservation, Minimally invasive surgery, Hypospadias

 

Membership of Scientific Organizations


Turkish Association of Urology
Turkish Medical Association
Association of Endourology
European Association of Urology
International Society for Cells Applications

• Publications
https://scholar.google.com/citations?user=CA59D8UAAAAJ&hl=en

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Penile implant surgery
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Before and After Pictures
Penis enlargement
Penis enlargement
Penis enlargement
Penis enlargement
Penile implant surgery
Penile implant surgery
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Abdulkerim Yilmaz
Gastroenterologist
34 years of experience
5.0
1 review

Abdulkerim Yilmaz

Gastroenterologist
34 years of experience
Turkey, Sivas
Medicana Sivas Hospital
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Armando Santoro
Clinical oncologist
45 years of experience
Italy, Milan
HUMANITAS RESEARCH HOSPITAL

Armando Santoro

Clinical oncologist
45 years of experience

Professor Santoro is heavily involved in research, with interest in many topics, such as the development of new cancer drugs and new biological therapies, interests for solid and haematological tumours, and not only he treats cancer survivors but also patients with comorbidities.

He has worked in Humanitas Research Hospital for 22 years. Professor Santoro’s post-graduate research was carried out at the Unité de Development Therapeutique (Institut de Cancerologie et d’Immunogenetique, Villejuif of Paris) from 1974 to 1975, and in the Division of Medical Oncology of the National Cancer Institute of Milan from 1976 to 1977. 

In 1977, he specialized in Clinical and Laboratory Haematology at University of Rome. In 1979, he completed his fellowship post-graduate work in the Memorial Sloan Kettering Cancer Center of New York and later, at Stanford University. In 1980, he specialized in oncology at the University of Genoa. 

Current Teaching Activity: Professor Santoro worked as Contract Professor at the Specialization School in Clinical Pathology ad Pavia University from 1992 to 1997. Also, from 1993 to 2002 he has been President of the Rare Tumour Group. Now he is full professor at Humanitas University. 

Current Positions

  • .Since 1997, he is the Director of the Department of Medical Oncology and Haematology, at Istituto Clinico Humanitas, Milan. Also, he is Member of the Ethics Committee of Istituto Clinico Humanitas and Director of Clinical Research in the same Institute since 2007.
  • - Since 2008, he is Member of the Planning Committee, Ministry of Work and of Health and Social Politics, Rome, Italy.
  • - Since October 2008, Professor Santoro is Counsellor of the Board of Directors of the Fondazione Humanitas for Research of Rozzano, Italy.
  • - Since November 2008, he is Expert Member of the National Centre for the Prevention and Control of Disease, Ministry of Work and of Health and Social Politics (Rome, Italy).
  • - Since February 2009, he is National Representative preparatory actions for the "European Partnership for Action against Cancer" Ministry of Work and of Health and Social Politics (Rome, Italy).
  • - Since February 2009, Professor Santoro is member of National Italian Committee on the Research Network in Oncology, Ministry of Work and of Health and Social Politics (Rome, Italy).
  • - Since May 2009, he is Coordinator of the Oesophageal-Stomach Cancer Group Coordinator of the Liver and Biliary Tree Cancer Group, Regional Oncology Commission – Lombardy Oncology Network.

 

In addition, Professor Santoro’s unique expertise was recognized through numerous awards, such as the Managing Doctor of the Year award (2013), the City of Siena S. Caterina d’Oro Award (2013, Serra Association Award for scientific research) and social and healthcare commitment (Salerno, 2009). 

 

 

Publications: santoro%a - Search Results - PubMed (nih.gov) 

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Alandag Celal
Clinical oncologist
16 years of experience
5.0
1 review

Alandag Celal

Clinical oncologist
16 years of experience
Turkey, Sivas
Medicana Sivas Hospital
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