title: [A morphological study of 5 cases of primary pulmonary hypertension].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000473:pathology*; D008297:Male; D011651:Pulmonary Artery / Q000473:pathology*