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Retraction of the main papilla toward the biliary system in patients with primary sclerosing cholangitis
Erkan Parlak, Aydın Şeref Köksal, Selçuk Dişibeyaz, Bahattin Çiçek, Bülent Ödemiş, Nurgül Şaşmaz, Burhan Şahin
(Turk J Gastroenterol 2014; 25: 203-205) DOI: 10.5152/tjg.2014.5238