Randomized, double-blind, placebo-controlled clinical trial of loperamide plus simethicone versus loperamide alone and simethicone alone in the treatment of acute diarrhea with gas-related abdominal discomfort. - Hanauer SB; DuPont HL; Cooper KM; Laudadio C; Hanauer, Stephen B; DuPont, Herbert L; Cooper, Kimberly M; Laudadio, Charles (Current Medical Research & Opinion, 2007)