Search results for: Hashem B. El-Serag
Digestive Diseases and Sciences > 2015 > 60 > 1 > 65-73
Digestive Diseases and Sciences > 2014 > 59 > 1 > 108-116
Digestive Diseases and Sciences > 2015 > 60 > 1 > 65-73
Digestive Diseases and Sciences > 2014 > 59 > 1 > 108-116