Authors: Masoud M Malekzadeh; Hooman Khademi; Akram Pourshams; Arash Etemadi; Hossein Poustchi; Mohammad Bagheri; Masoud Khoshnia; Amir Ali Sohrabpour; Ali Aliasgari; Elham Jafari; Farhad Islami; Shahryar Semnani; Christian C Abnet; Paul D P Pharoah; Paul Brennan; Paolo Boffetta; Sanford M Dawsey; Reza Malekzadeh; Farin Kamangar Journal: Am J Gastroenterol Date: 2013-10-22 Impact factor: 10.864