What is the role of newer methods of cardiopulmonary resuscitation?
D000818:Animals; D002932:Cineangiography; D004285:Dogs; D006323:Heart Arrest / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012151:Resuscitation / Q000379:methods; D014693:Ventricular Fibrillation / Q000628:therapy