Primary pulmonary hypertension (clinical, haemodynamic and pathological study).
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000473:pathology; D008297:Male