Authors: R H Duerr; S R Targan; C J Landers; N F LaRusso; K L Lindsay; R H Wiesner; F Shanahan Journal: Gastroenterology Date: 1991-05 Impact factor: 22.682
Authors: A J Wakefield; E A Sankey; A P Dhillon; A M Sawyerr; L More; R Sim; R M Pittilo; P M Rowles; M Hudson; A A Lewis Journal: Gastroenterology Date: 1991-05 Impact factor: 22.682
Authors: J W Tervaert; M G Huitema; R J Hené; W J Sluiter; T H The; G K van der Hem; C G Kallenberg Journal: Lancet Date: 1990-09-22 Impact factor: 79.321