title: Perfusion lung scanning in pulmonary hypertension.
mesh_terms: D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging*; D008168:Lung / Q000000981:diagnostic imaging*; D011933:Reagent Kits, Diagnostic; D013670:Sodium Pertechnetate Tc 99m; D014055:Tomography, Emission-Computed
chemical_list: D011933:Reagent Kits, Diagnostic; D013670:Sodium Pertechnetate Tc 99m