Vnitr Lek 1968, 14(7):643-647
[Change of the first sound in atrial septal defects].
Keywords: Adolescent; Adult; Blood Pressure; Cardiac Catheterization; Child; Heart Auscultation; Heart Septal Defects, Atrial, diagnosis, ; Humans; Methods; Phonocardiography
Published: July 1, 1968 Show citation