to assess the effect of cimetidine and ranitidine on high density lipoprotein ( hdl ) cholesterol concentration two groups of eight patients with duodenal ulcer or oesophagitis matched for age , sex , and cigarette consumption were given either cimetidine 1 g daily or ranitidine 300 mg daily for one month .
C0034665
ranitidine
C0013295
duodenal ulcer