Yarnold John, Bentzen Søren M, Coles Charlotte, Haviland Joanne
Section of Radiotherapy, Institute of Cancer Research and Royal Marsden Hospital, Sutton, United Kingdom.
Int J Radiat Oncol Biol Phys. 2011 Jan 1;79(1):1-9. doi: 10.1016/j.ijrobp.2010.08.035. Epub 2010 Oct 13.