TY  - RPRT
TI  - Measurement of a photon penumbra-generating kernel for a convolution-adapted ratio-TAR algorithm for 3D treatment planning.
AU  - D A Low
AU  - X R Zhu
AU  - W B Harms
AU  - J A Purdy
PY  - 1995
DO  - 10.1118/1.597621
UR  - https://pubmed.ncbi.nlm.nih.gov/8531864/
ID  - 8531864
ER  -