[Pulmonary hypertension of unknown etiology (2)- obstruction of the pulmonary vein].
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D007223:Infant; D008297:Male; D008875:Middle Aged; D011667:Pulmonary Veins / Q000473:pathology; D014652:Vascular Diseases / Q000150:complications