Authors: J Y Lau; J J Sung; K K Lee; M Y Yung; S K Wong; J C Wu; F K Chan; E K Ng; J H You; C W Lee; A C Chan; S C Chung Journal: N Engl J Med Date: 2000-08-03 Impact factor: 91.245
Authors: M Udd; P Miettinen; A Palmu; M Heikkinen; E Janatuinen; P Pasanen; R Tarvainen; M V Kairaluoma; M Lohman; H Mustonen; R Julkunen Journal: Scand J Gastroenterol Date: 2001-12 Impact factor: 2.423
Authors: Dennis M Jensen; Thomas O G Kovacs; Rome Jutabha; Gustavo A Machicado; Ian M Gralnek; Thomas J Savides; James Smith; Mary Ellen Jensen; Gwen Alofaituli; Jeff Gornbein Journal: Gastroenterology Date: 2002-08 Impact factor: 22.682