TY  - GEN
AU  - COSTRELL,L
TI  - Scattered radiation from large Co 60 calibrating sources
SN  - 1538-5159
PY  - 1998///1101
KW  - Calibration
KW  - Humans
KW  - Radiation
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1097/00004032-196206000-00007
ER  -