Hyun Joo KWAK ; Phil Seob SIM ; Kwang Chul LEE ; Chang Sung SOHN ; Joo Won LEE ; Young Chang TOCKGO
Journal of the Korean Pediatric Society 1992;35(12):1696-1701
No abstract available. Constriction, Pathologic* ; Humans ; Infant, Newborn* ; Pulmonary Artery* ; Systolic Murmurs*