Authors: Katri Kaukinen; Leena Halme; Pekka Collin; Martti Färkkilä; Markku Mäki; Paula Vehmanen; Jukka Partanen; Krister Höckerstedt Journal: Gastroenterology Date: 2002-04 Impact factor: 22.682
Authors: Jonas F Ludvigsson; Peter Elfström; Ulrika Broomé; Anders Ekbom; Scott M Montgomery Journal: Clin Gastroenterol Hepatol Date: 2006-12-08 Impact factor: 11.382