Authors: M W Büchler; H Friess; R Bittner; R Roscher; W Krautzberger; M W Müller; P Malfertheiner; H G Beger Journal: J Gastrointest Surg Date: 1997 Jan-Feb Impact factor: 3.452
Authors: A B Lowenfels; P Maisonneuve; G Cavallini; R W Ammann; P G Lankisch; J R Andersen; E P Dimagno; A Andrén-Sandberg; L Domellöf Journal: N Engl J Med Date: 1993-05-20 Impact factor: 91.245
Authors: Thomas J Howard; Jeffrey S Browne; Nicholas J Zyromski; Harish Lavu; Marshall S Baker; Changyu Shen; James A Madura Journal: J Gastrointest Surg Date: 2008-10-10 Impact factor: 3.452