Authors: G Bertoni; R Sassatelli; E Nigrisoli; M Pennazio; P Tansini; A Arrigoni; F P Rossini; M Ponz de Leon; G Bedogni Journal: Ital J Gastroenterol Hepatol Date: 1999-04
Authors: K Komoto; K Haruma; T Kamada; S Tanaka; M Yoshihara; K Sumii; G Kajiyama; N J Talley Journal: Am J Gastroenterol Date: 1998-08 Impact factor: 10.864
Authors: G J Offerhaus; F M Giardiello; A J Krush; S V Booker; A C Tersmette; N C Kelley; S R Hamilton Journal: Gastroenterology Date: 1992-06 Impact factor: 22.682