title: [Simple method quantitation of left to right cardiac shunts with radionuclide angiography (author's transl)].
mesh_terms: D006343:Heart Septal Defects / Q000175:diagnosis*; D006801:Humans; D011877:Radionuclide Imaging / Q000379:methods*; D013667:Technetium
chemical_list: D013667:Technetium