Pulmonary emphysema treated by intermittent positive pressure breathing; a clinical study.
D035843:Biomedical Research; D004646:Emphysema; D006801:Humans; D007384:Intermittent Positive-Pressure Breathing; D011656:Pulmonary Emphysema / Q000628:therapy*; D012122:Ventilators, Mechanical
EMPHYSEMA, PULMONARY/therapy; RESPIRATORS