[Valsalva's test of normal subjects and emphysema patients].
D004646:Emphysema; D006801:Humans; D011656:Pulmonary Emphysema / Q000502:physiology*; D012143:Respiratory Physiological Phenomena
EMPHYSEMA, PULMONARY/physiology
Valsalvaversuch bei Gesunden und Emphysemkranken.