Exsufflation with negative pressure; physiologic and clinical studies in poliomyelitis, bronchial asthma, pulmonary emphysema, and bronchiectasis.
D001249:Asthma / Q000628:therapy*; D035843:Biomedical Research; D001987:Bronchiectasis / Q000628:therapy*; D004646:Emphysema; D006801:Humans; D008168:Lung; D011051:Poliomyelitis / Q000628:therapy*; D011656:Pulmonary Emphysema / Q000628:therapy*
ASTHMA/therapy; BRONCHIECTASIS/therapy; EMPHYSEMA, PULMONARY/therapy; LUNGS; POLIOMYELITIS/therapy