@Article{SCI:But2007b,
  author =    "C.R. Butson and C.C. McIntyre",
  title =     "Differences among implanted pulse generator
              waveforms cause variations in the neural response
              to deep brain stimulation",
  journal =   "Clinical Neurophysiology",
  volume =    "118",
  pages =     "1889--1894",
  year =      "2007",
  month =     "August",
  issn =      "1388-2457",
  doi =       "10.1016/j.clinph.2007.05.061",
  url =       "http://www.sci.utah.edu/publications/But2007b/Butson_ClinNeurophys2007.pdf",
}