title: Manual vs device-assisted CPR: reconciling apparently contradictory results.
authors.forename: Roger J
authors.initials: RJ
authors.lastname: Lewis
authors.forename: James T
authors.initials: JT
authors.lastname: Niemann
mesh_terms: D016887:Cardiopulmonary Resuscitation / Q000295:instrumentation* / Q000379:methods*; D004632:Emergency Medical Services; D006323:Heart Arrest / Q000628:therapy*; D006801:Humans