The Asian Society of Pediatric Cardiology has advocated the importance, since its founding in 1976, of studying and disseminating knowledge about the important cardiovascular diseases prevalent in Asia. Subpulmonie ventrieular septal defect, reportedly more common among Japanese than among Occidentals, swiftly became a focus of attention. Soon after the Second Asian Congress of Pediatric Cardiology, held at Bangkok in 1979, fellow Asian pediatric cardiologists resolved to study this problem, and the main theme of the next Congress was scheduled to be "Is Subpulmonie Ventrieular Septal Defect...