@ARTICLE{GrigorovEtAl2006,
  author = {G. N. Grigorov and J. C. L. Chow and L. Grigorov and R. Jiang and
	R. B. Barnett},
  title = {{IMRT}: Improvement in treatment planning efficiency using {NTCP}
	calculation independent of the dose-volume-histogram},
  journal = {Medical Physics},
  year = {2006},
  volume = {33},
  pages = {1250--1258},
  number = {5}
}