Authors: C Bru; A Maroto; J Bruix; R Faus; L Bianchi; X Calvet; C Ayuso; R Vilana; R Gilabert; J Rodés Journal: Dig Dis Sci Date: 1989-11 Impact factor: 3.199
Authors: Y M Park; C D Lee; K H Yoon; N I Han; H M Cho; K S Yook; J W Jeong; B S Kim; M K Jee; B K Kim Journal: Korean J Intern Med Date: 1989-01 Impact factor: 2.884