title: Laparoscopic surgery: some unresolved issues.
authors.forename: D M
authors.initials: DM
authors.lastname: Hailey
authors.forename: N A
authors.initials: NA
authors.lastname: Hirsch
mesh_terms: D017081:Cholecystectomy, Laparoscopic; D003365:Costs and Cost Analysis; D004059:Diffusion of Innovation; D006801:Humans; D010535:Laparoscopy / Q000193:education; D012449:Safety