Orhan Sezgin, Engin ALTINTAŞ, Enver ÜÇBİLEK
(Turk J Gastroenterol 2010; 21: 163-167) DOI: 10.4318/tjg.2010.0076
Mi Jung PARK, Won Moon, Seun Ja PARK, Moo In PARK, Lee La JANG, Gyoo Sik JUNG
(Turk J Gastroenterol 2011; 22: 612-616) DOI: 10.4318/tjg.2011.0275