eleven infants and children ( mean age 4.3 years , range 0.2-12 years ) with pulmonary vascular disease secondary to congenital cardiac anomalies ( n = 6 ) or bronchopulmonary dysplasia ( n = 5 ) , were studied during cardiac catheterization while ventilated on 100 % oxygen .
C0021270
infants
C0008059
children