TY - BOOK AU - Saenger,Eugene L. TI - Ethics, trade offs and medical radiation T2 - NCRP : Lectures in radiation protection and measurements ; no. 6 SN - 0913392596 SN - 02779196 PY - 1982/// CY - Washington, D.C. PB - National Council on Radiation Protection and Measurements KW - RADIACIONES -PROTECCION N1 - Notas de pie página; Bibliografía al final de cada artículo ER -