Authors: J Brynskov; L Freund; S N Rasmussen; K Lauritsen; O S de Muckadell; N Williams; A S MacDonald; R Tanton; F Molina; M C Campanini Journal: N Engl J Med Date: 1989-09-28 Impact factor: 91.245
Authors: R E Kleinman; W F Balistreri; M B Heyman; B S Kirschner; A M Lake; K J Motil; E Seidman; J N Udall Journal: J Pediatr Gastroenterol Nutr Date: 1989-01 Impact factor: 2.839
Authors: D C Belli; E Seidman; L Bouthillier; A M Weber; C C Roy; M Pletincx; M Beaulieu; C L Morin Journal: Gastroenterology Date: 1988-03 Impact factor: 22.682