TY  - RPRT
TI  - Direct aperture optimization: a turnkey solution for step-and-shoot IMRT.
AU  - D M Shepard
AU  - M A Earl
AU  - X A Li
AU  - S Naqvi
AU  - C Yu
PY  - 2002
DO  - 10.1118/1.1477415
UR  - https://pubmed.ncbi.nlm.nih.gov/12094970/
ID  - 12094970
ER  -