[Value and significance of the ballistocardiogram in various stages of pulmonary emphysema].
D001450:Ballistocardiography; D004646:Emphysema; D011656:Pulmonary Emphysema
BALLISTOCARDIOGRAPHY; EMPHYSEMA, PULMONARY/manifestations
Valore e significato del balistocardiogramma nei vari gradi di enfisema polmonare.