@misc{indiciae6581849a2adf,
  title = {Direct aperture optimization: a turnkey solution for step-and-shoot IMRT.},
  author = {D M Shepard and M A Earl and X A Li and S Naqvi and C Yu},
  year = {2002},
  doi = {10.1118/1.1477415},
  url = {https://pubmed.ncbi.nlm.nih.gov/12094970/},
  note = {Source identifier: 12094970}
}