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Answer a few questions on Bookimed, then add your contact details to request help. Privacy policy Open the Bookimed request form","links":[{"label":"Privacy policy","url":"https://us-uk.bookimed.com/page/privacy-policy/"}]}],"introduction":"Oncologic surgery guide / Gokhan Demirayak Surgeon profile Gokhan Demirayak Gokhan Demirayak is an obstetrician-gynecologist at Memorial Şişli Hospital in Istanbul, Turkey. Research project led by Yevhenii Kozlov · Co-Founder of Bookimed Updated 21 October 2026 Sources linked throughout Portrait source ↗ Gokhan Demirayak Memorial Şişli Hospital → Istanbul · Turkey Profile on Bookimed","related_documents":[{"id":"oncologic-surgery","title":"Oncologic surgery: explore care by organ","kind":"home","url":"https://hub.bookimed.com/oncologic-surgery/","json_url":"https://hub.bookimed.com/oncologic-surgery/page-contexts/oncologic-surgery.json"},{"id":"clinic-96","title":"Memorial Şişli Hospital","kind":"clinic-profile","url":"https://hub.bookimed.com/oncologic-surgery/clinic-96/","json_url":"https://hub.bookimed.com/oncologic-surgery/clinic-96/#page-context"},{"id":"organ-gynecology","title":"Gynecologic cancer: surgery and treatment 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