title: Emergency medicine.
authors.affiliation: Hennepin County Medical Center, Minneapolis, Minn.
authors.forename: L
authors.initials: L
authors.lastname: Ling
mesh_terms: D016887:Cardiopulmonary Resuscitation; D004635:Emergency Medicine; D015658:HIV Infections; D006779:Hospitals, Public; D006801:Humans; D012106:Research; D014116:Toxicology; D014463:Ultrasonography