PRIMARY PULMONARY VASCULAR OBSTRUCTION IN CHILDREN.
D006328:Cardiac Catheterization; D002648:Child; D004562:Electrocardiography; D006801:Humans; D006973:Hypertension; D006976:Hypertension, Pulmonary; D007223:Infant; D009206:Myocardium; D010336:Pathology; D013902:Radiography, Thoracic; D014652:Vascular Diseases
CHILD; ELECTROCARDIOGRAPHY; HEART CATHETERIZATION; HYPERTENSION, PULMONARY; INFANT; MYOCARDIUM; PATHOLOGY; THORACIC RADIOGRAPHY; VASCULAR DISEASES