P. Syamasundar Rao, MD Introduction When the author began his career in the mid-1960s, the field of Pediatric Cardiology was in early...

P. Syamasundar Rao, MD and U. Subramaniam, MD Introduction Since the description by Gross and Hubbard in 1938,[1] surgical closure has...

with Ventricular Septal Defect P. Syamasundar Rao, MD Introduction Transcatheter perforation of atretic pulmonary valve membrane by blunt...