Authors: R de la Plaza; A L Picardo; R Cuberes; A Jara; I Martínez-Peñalver; M C Villanueva; M Medina; D Alías; S Osorio; E Pacheco; A Suárez Journal: Dig Dis Sci Date: 1999-09 Impact factor: 3.199
Authors: Krzysztof Zinkiewicz; Witold Zgodzinski; Andrzej Dabrowski; Justyna Szumilo; Grzegorz Cwik; Grzegorz Wallner Journal: World J Gastroenterol Date: 2004-03-01 Impact factor: 5.742
Authors: Y Ojima; M Okajima; T Asahara; M Arita; R Kobayashi; M Nakahara; Y Masaoka; K Toyota; T Fujitaka; K Kawahori; F Shimamoto; K Dohi Journal: Surg Today Date: 1997 Impact factor: 2.549
Authors: J S Kim; S Y Kwon; K S Byun; Y T Bak; J H Kim; J G Kim; C H Lee; J W Ryu; N H Won Journal: Korean J Intern Med Date: 1994-01 Impact factor: 2.884