title: Pre-hospital resuscitation exposure--when is enough, enough?
authors.forename: Richard M
authors.initials: RM
authors.lastname: Lyon
mesh_terms: D002983:Clinical Competence; D004632:Emergency Medical Services / Q000592:standards*; D006801:Humans; D058687:Out-of-Hospital Cardiac Arrest / Q000401:mortality* / Q000628:therapy*