| 摘要 |
Diagnostic reagents comprising a chelating agent and stannous tin which are suitable for conversion to radiopharmaceuticals by the addition of a radionuclide, such as suitable forms of technetium 99m, are stabilized against oxidation and/or hydrolysis by the addition to said complex of ascorbic acid, erythorbic acid, pharmaceutically acceptable inorganic salts thereof or mixtures thereof.
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