1. J.P Nouel, M. Renault, J. Robert, C. Jeanne, and L. Wicart, Nouv. PresseMed., 2, 95 (1972).
2. R.B. Grove, W.C. Eckelman, and R.C. Reba, J. Nucl. Med., 14, 917 (1973).
3. A. Kono, Y. Matsushima, M. Kojima, and T. Maeda, Chem. Pharm. Bull.(Tokyo), 25, 1725 (1977).
4. D.M. Taylor and M.F. Cottrall, In Radiopharmaceuticals (G. Subramanian,B.A. Rhodes,J.F. Cooper, and V.J. Sodd, Eds.), p. 458. Society of NuclearMedicine, New York (1975).
5. M.L. Thakur, Int. J. Appl. Radiat. Isot., 24, 357 (1973).