[First aid measures by bystanders at the place of accident: useful or dangerous?].
Dick
Wolfgang F
WF
D000059:Accidents; D004632:Emergency Medical Services; D005190:Family; D005392:First Aid / Q000592:standards; D006801:Humans; D011446:Prospective Studies; D011787:Quality of Health Care; D014947:Wounds and Injuries / Q000628:therapy*