Authors: M Nakajima; H Hoshino; E Hayashi; K Nagano; D Nishimura; N Katada; H Sano; K Okamoto; K Kato Journal: J Gastroenterol Date: 1996-10 Impact factor: 7.527
Authors: Sung Soon Park; Byeong Uk Kim; Hye Suk Han; Ja Chung Goo; Joung Ho Han; Il Hun Bae; Seon Mee Park Journal: Korean J Intern Med Date: 2006-03 Impact factor: 2.884