TY  - RPRT
TI  - A beam width improving device for a 25 MV X ray beam.
AU  - P J Biggs
AU  - W U Shipley
PY  - 1986
DO  - 10.1016/0360-3016(86)90427-x
UR  - https://pubmed.ncbi.nlm.nih.gov/3080388/
ID  - 3080388
ER  -