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Çolakoğlu MK, Mehmet Özgün Y, Pişkin E, Birol Bostancı E, Özmen MM.Çolakoğlu MK, et al. Among authors: ozmen mm.Turk J Surg. 2020 May 6;36(2):137-146. doi: 10.5578/turkjsurg.4809. eCollection 2020 Jun.Turk J Surg. 2020.PMID: 33015559Free PMC article.