Journals / Turkish Journal of Gastroenterology / 2017 / Cilt: 28 - Sayı: 3Endoscopic biopsy techniques for proximal biliary stricturesFATİH TEKİN,İLKER TURAN,GALİP ERSÖZ,AHMET ÖMER ÖZÜTEMİZJournalTurkish Journal of GastroenterologyIssue2017 · Cilt: 28 - Sayı: 3Pages225–225DOI—