title: Primary pulmonary hypertension.
mesh_terms: D000293:Adolescent; D000328:Adult; D001794:Blood Pressure; D002317:Cardiovascular Agents / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary; D008297:Male; D008875:Middle Aged; D010102:Oxygen Inhalation Therapy; D011652:Pulmonary Circulation; D013923:Thromboembolism / Q000150:complications; D014661:Vasoconstriction
chemical_list: D002317:Cardiovascular Agents