title: Pathological classification of pulmonary vascular disease.
mesh_terms: D002648:Child; D006801:Humans; D006976:Hypertension, Pulmonary / Q000145:classification* / Q000209:etiology / Q000473:pathology; D007223:Infant; D007231:Infant, Newborn; D008171:Lung Diseases / Q000145:classification* / Q000473:pathology; D011651:Pulmonary Artery / Q000473:pathology; D011652:Pulmonary Circulation; D011655:Pulmonary Embolism / Q000145:classification* / Q000473:pathology