[On stenosis and hypoplasia of the pulmonary ostium].
D003251:Constriction, Pathologic; D006801:Humans; D011664:Pulmonary Valve / Q000002:abnormalities*; D011666:Pulmonary Valve Stenosis / Q000473:pathology*
PULMONARY STENOSIS/pathology; PULMONARY VALVE/abnormalities