AIM:To compare the efficacy of the proton-pump inhibitor,rabeprazole,with that of the H 2-receptor antagonist,ranitidine,as on-demand therapy for relieving symp
There are cases of hepatitis involving occult hepatitis B virus(HBV)infection in which,even though the HB surface antigen(HBsAg)is negative,HBV-DNA is detected
Endoscopic retrograde cholangiopancreatography(ERCP) has a significant complication rate which can be lowered by adopting technical variations of proven benefic