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• 1. Zafer Koçak, Ahmet Ulugöl. History of Balkan Medical Journal: Road to HighImpact Journal. Balkan Med J 2018;35:1-7. 2. Öner Kıranlar, Zafer Koçak. A Short Note About the Reconsideration of the Image of Bayezid II Darüşşifa. Balkan Med J 2017;34:187. 3. Zafer Koçak, Çetin Hakan Karadağ. Announcing the New Website of Balkan Medical Journal. Balkan Med J 2017;34:384. 4. Zafer Koçak. Sex as a Biological Variable in Research: the New Policy of Balkan Medical Journal. Balkan Med J 2018;35:356-7. 5. Zafer Koçak, Okan Çalıyurt. New Online Manuscript Submission System of Balkan Medical Journal. Balkan Med J 2019;36:1-2. 6. Mustafa İnan, Hakan Erbaş, Zafer Koçak, Cem Uzun. Balkan Medical Journal and Legal Regulation. Balkan Med J 2019;36:71-7. 7. Okan Çalıyurt, Zafer Koçak. Data Sharing Policy for Balkan Medical Journal. Balkan Med J 2019;36:70. 8. Zafer Koçak, Cem Uzun. Editor Responsibility and Scientific Integrity During the COVID-19 Outbreak. Balkan Med J 2020;37:176-7. 9. Zafer KOÇAK. Predatory Publishing and Turkey. Balkan Med J 2019;36:199-201.