title: [Quantitative evaluation of left-sided valvular regurgitation by gated single photon emission computed tomography].
mesh_terms: D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging*; D004912:Erythrocytes; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging*; D013670:Sodium Pertechnetate Tc 99m; D013318:Stroke Volume; D014055:Tomography, Emission-Computed / Q000379:methods*
chemical_list: D013670:Sodium Pertechnetate Tc 99m