TY  - RPRT
TI  - Inverse planning for intensity-modulated arc therapy using direct aperture optimization.
AU  - M A Earl
AU  - D M Shepard
AU  - S Naqvi
AU  - X A Li
AU  - C X Yu
PY  - 2003
DO  - 10.1088/0031-9155/48/8/309
UR  - https://pubmed.ncbi.nlm.nih.gov/12741503/
ID  - 12741503
ER  -