TY - GEN AU - BRAESTRUP,C B AU - MOONEY,R T TI - Cobalt 60 protection design SN - 0033-8419 PY - 2003///0501 KW - Cobalt KW - Cobalt Radioisotopes KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/65.6.884 ER -