Sang Kyu PARK ; Young Hoon KIM ; Son Moon SHIN ; Chung Il NOH ; Jung Yun CHOI ; Yong Soo YUN ; Cang Yee HONG ; Kyoo Wan CHOI ; Shin Yong MOON
Journal of the Korean Pediatric Society 1986;29(10):47-55
No abstract available. Down Syndrome* ; Heart Defects, Congenital*