the effects of treatment for 2 years with the histamine h2-receptor antagonist ranitidine ( 100 or 200 mg b.d . for 6 weeks followed by 100 or 200 mg daily ) on plasma concentrations of pituitary and peripheral hormones in ten men with duodenal ulcer have been investigated .
C0034665
ranitidine
C0013295
duodenal ulcer