Pre-endoscopic use of oral simethicone.
D000284:Administration, Oral; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004724:Endoscopy; D006801:Humans; D012828:Silicones / Q000008:administration & dosage; D012841:Simethicone / Q000008:administration & dosage
D012828:Silicones; D012841:Simethicone