title: Hazards of cardiac catheterization in children with primary pulmonary vascular obstruction.
mesh_terms: D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization / Q000009:adverse effects* / Q000401:mortality; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000401:mortality / Q000503:physiopathology; D008297:Male; D012189:Retrospective Studies