title: Histopathology of primary pulmonary hypertension.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Pennsylvania, Medical School, Philadelphia.
authors.forename: G G
authors.initials: GG
authors.lastname: Pietra
mesh_terms: D001158:Arteries; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000473:pathology*; D008168:Lung / Q000098:blood supply; D008297:Male; D014680:Veins