TY  - RPRT
TI  - Benchmarking radiation protection programs.
AU  - J Shapiro
AU  - J P Ring
PY  - 1999
DO  - 10.1097/00004032-199902001-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/9930836/
ID  - 9930836
ER  -