in a double-blind trial of patients with duodenal ulcer at three centres the healing rate after a four-week course of treatment ( 1 g cimetidine daily ) was 79 % ( 30 out of 38 patients ) , compared with 58 % ( 23 out of 40 patients ) on placebos .
C0013295
duodenal ulcer
C0008783
cimetidine