1. T.A. Haney, I. Ascanio, J.A. Gigliotti, E.A. Gusmano, G.A. Bruno, J. Nucl. Med. 12 /1970/ 64.
2. J. Szymendra, K.A. Malinowski, J. Cheguillaume, J. Tolwinski,J. Nucl. Med., 7 /1968/ 388.
3. P.V. Harper, K.A. Lathrop, P. Richards,J. Nucl. Med., 5 /1964/ 382.
4. D.D. Patton, E.N. Garcia, M.M. Webber,Amer. J. Roentgenol. Rad. Ther. and Nucl. Med., 97 /1966/ 880.
5. A.M. Al-Hilli, A.F. Roomaya, S. Al-Murab,J. Lab. Comp. Radiopharm. /abst/, 13 /1977/ 169.