Randomized clinical trials.
Morris
A H
AH
D015199:Extracorporeal Membrane Oxygenation; D006801:Humans; D011175:Positive-Pressure Respiration; D016032:Randomized Controlled Trials as Topic / Q000191:economics / Q000379:methods; D012109:Research Support as Topic; D012128:Respiratory Distress Syndrome / Q000401:mortality / Q000628:therapy; D015996:Survival Rate; D014481:United States