TY  - RPRT
TI  - Transmission data for shielding diagnostic x-ray facilities.
AU  - D J Simpkin
PY  - 1995
DO  - 10.1097/00004032-199505000-00011
UR  - https://pubmed.ncbi.nlm.nih.gov/7730068/
ID  - 7730068
ER  -