title: Active compression-decompression cardiopulmonary resuscitation.
authors.forename: M
authors.initials: M
authors.lastname: Callaham
mesh_terms: D015982:Bias; D016887:Cardiopulmonary Resuscitation / Q000295:instrumentation / Q000379:methods*; D002986:Clinical Trials as Topic; D004632:Emergency Medical Services; D006801:Humans; D012107:Research Design