title: Lung scanning in obliteratuive pulmonary hypertension.
mesh_terms: D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000209:etiology; D011655:Pulmonary Embolism / Q000175:diagnosis; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium