title: Laparoscopic cholecystectomy in older Medicare patients.
authors.forename: D W
authors.initials: DW
authors.lastname: Bratzler
authors.forename: C K
authors.initials: CK
authors.lastname: Murray
mesh_terms: D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002763:Cholecystectomy; D017081:Cholecystectomy, Laparoscopic; D005260:Female; D006302:Health Services Research; D006801:Humans; D008297:Male; D006278:Medicare; D009825:Oklahoma; D012107:Research Design; D014481:United States