Authors: S Crerand; T M Feeley; R P Waldron; T Corrigan; W Hederman; F X O'Connell; S J Heffernan Journal: Int J Colorectal Dis Date: 1991-11 Impact factor: 2.571
Authors: Tze-Jui Lam; Benjamin C Y Wong; Chris J J Mulder; A Salvador Peña; Wai Mo Hui; Shiu Kum Lam; Annie On On Chan Journal: World J Gastroenterol Date: 2007-07-28 Impact factor: 5.742