title: [Studies on Blalock-Taussig operation, from the aspect of pre- and postoperative lung scintiscanning (author's transl)].
mesh_terms: D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D007223:Infant; D008168:Lung / Q000000981:diagnostic imaging*; D008722:Methods; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium