title: Death on the battlefield and the role of first aid.
mesh_terms: D005392:First Aid; D006470:Hemorrhage / Q000473:pathology; D006801:Humans; D055370:Lung Injury; D008297:Male; D008889:Military Personnel; D014744:Vietnam; D014857:Warfare; D014948:Wounds, Gunshot / Q000473:pathology*