@Article{SCI:Pra2009a,
  author =    "M.W. Prastawa and E. Bullitt and G. Gerig",
  title =     "Simulation of brain tumors in MR images for
              evaluation of segmentation efficacy",
  journal =   "Med Image Anal",
  volume =    "13",
  number =    "2",
  pages =     "297--311",
  year =      "2009",
  pmid =      "19119055",
  url =       "http://www.sci.utah.edu/publications/prastawa09/Prastawa_MIA2009.pdf",
}