title: Cardiopulmonary resuscitation or shock first--no answers yet?
authors.forename: Jo
authors.initials: J
authors.lastname: Kramer-Johansen
mesh_terms: D022561:Advanced Cardiac Life Support / Q000379:methods*; D004554:Electric Countershock / Q000379:methods*; D004632:Emergency Medical Services / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D058687:Out-of-Hospital Cardiac Arrest / Q000628:therapy*; D014693:Ventricular Fibrillation / Q000628:therapy*