title: Reader questions two June articles.
authors: K
authors: K
authors: Hausner
mesh_terms: D002763:Cholecystectomy / Q000191:economics*; D004209:Disposable Equipment / Q000191:economics*; D006801:Humans; D010535:Laparoscopy / Q000191:economics*; D008506:Medical Waste; D012037:Refuse Disposal / Q000592:standards*
chemical_list: D008506:Medical Waste