Respiratory failure 30 years ago.
D001291:Attitude of Health Personnel; D049673:History, 20th Century; D006801:Humans; D008722:Methods; D010102:Oxygen Inhalation Therapy; D012129:Respiratory Function Tests; D012131:Respiratory Insufficiency / Q000266:history* / Q000628:therapy; D014140:Tracheotomy; D014887:Weather