the influence of premedication with diazepam on the procedure and on patients ' acceptance of a second endoscopy was evaluated in a double-blind trial conducted on 81 patients randomized to 3 types of intravenous premedication : placebo ( group a , 29 patients ) , diazepam 5 mg ( group b , 27 patients ) and diazepam 10 mg ( group c , 25 patients ) .
C0184661
procedure
C0220825
evaluated