1. Baker R.J., Bellen, J.C., Ronai, P.M.: Technetium-99m-pyridoxylideneglutamate: A new hepatobiliary radiopharmaceutical. I. Experimental aspects. J. Nucl. Med. 16, 720–727 (1975)
2. Eckelman, W., Meinken, G., Richards, P.: Chemical state of 99mTc in biomedical products. J. Nucl. Med. 12, 596–600 (1971)
3. Firnau, G.,: Why do Tc-99m chelates work for cholescintigraphy? Eur. J. Nucl. Med. 1, 137–139 (1976)
4. Hirom, P.C., Millburn, P., Smith, R.L.: Bile and urine as complementary pathways for the excretion of foreign organic compounds. Xenobiotica 6, 55–64 (1976)
5. Kennedy, T., Robinson, R.G., Gobuty, A.: Basic technetium 99m penicillamine, a new renal scanning agent. J. Nucl. Med. 15, 506 (1974)