Medical drainage of pancreatic pseudocyst - UZUN, Yusuf; BEYLER, A. Reşit; BOZKAYA, Hakan; ÖRMECİ, Necati and BAHAR, Kadir and KARAYALÇIN, Selim and GÖREN, Ali and DÖKMECİ, Abdülkadir (Turkish Journal of Gastroenterology, 1998)