title: Why do we need a large multi-centric database for clinical out-of-hospital cardiac arrest research?
authors.forename: P R
authors.initials: PR
authors.lastname: Martens
mesh_terms: D004632:Emergency Medical Services; D005188:False Negative Reactions; D006323:Heart Arrest / Q000401:mortality / Q000628:therapy*; D006801:Humans; D007256:Information Systems; D015337:Multicenter Studies as Topic; D012106:Research; D012151:Resuscitation; D015996:Survival Rate; D016896:Treatment Outcome