Editorial

• 1 October 1956
• journal article
• research article
• Published by Wolters Kluwer Health in Circulation
• Vol. 14  (4) , 509-511
• https://doi.org/10.1161/01.cir.14.4.509

Abstract

Keywords

• CARDIOVASCULAR DEFECTS, CONGENITAL/DIAGNOSIS
• CARDIOVASCULAR DISEASES/DIAGNOSIS