title: Trauma: a continuing U.S. health problem.
mesh_terms: D001771:Blood Banks; D002959:Civil Defense; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy; D012106:Research; D012449:Safety; D014481:United States; D014857:Warfare; D014947:Wounds and Injuries / Q000517:prevention & control
chemical_list: D009294:Narcotics