[Ballistocardiographical study of valvular defects].
D001450:Ballistocardiography; D018376:Cardiovascular Abnormalities / Q000175:diagnosis*; D002319:Cardiovascular System
BALLISTOCARDIOGRAPHY; CARDIOVASCULAR DEFECTS, CONGENITAL/diagnosis
Ballistokardiographische Untersuchungen bei Klappenfehlern.