title: Studies of the variability in expiratory efforts before and after cholecystectomy.
mesh_terms: D000328:Adult; D000765:Anesthesia, Conduction; D002763:Cholecystectomy; D002986:Clinical Trials as Topic; D003371:Cough; D005260:Female; D006801:Humans; D006991:Hypnosis, Anesthetic; D008875:Middle Aged; D010146:Pain; D010817:Physician-Patient Relations; D011182:Postoperative Care; D011300:Preoperative Care; D012119:Respiration; D013153:Splanchnic Nerves