The effect of gamma radiation on the central nervous system. II. The effects of localized irradiation from Tantalum-182 implants - Bering, E. A., jr; Bailey, O. T; Fowler, F. D; Dillard, P. H; Ingraham, F. D (Am. J. Roentgenol. Radium Ther. Nucl. Med, 1955)