TY - BOOK ED - National Council on Radiation Protection and Measurements TI - Protection against neutron radiation U1 - 539.77 PRO 1992 PY - 1992/// CY - Bethesda PB - NCRP KW - Gamma rays KW - Physiological effect KW - Radiation KW - Measurement KW - Radiotherapy KW - Safety measures KW - Radiation --Safety measures N1 - Kaynakça var; no. 38 : Protection against neutron radiation; no. 40 : Protection against radiation from brachytherapy sources; no. 41 : Specification of gamma-ray brachytherapy sources ER -