@Article{SCI:But2014a,
  author =    "M.S. Okun and S.S. Wu and S. Fayad and H. Ward and
              D. Bowers and C. Rosado and L. Bowen and C.
              Jacobson and C.R. Butson and K.D. Foote",
  title =     "Acute and Chronic Mood and Apathy Outcomes from a
              Randomized Study of Unilateral {STN} and {GPi}
              {DBS}",
  journal =   "PLoS ONE",
  volume =    "9",
  number =    "12",
  pages =     "e114140",
  year =      "2014",
  month =     "December",
  url =       "http://www.sci.utah.edu/publications/But2014a/Okun_PONE2014.pdf",
}