@misc{9664,
  author = {C. Becker and G. Brobert and S. Johansson and S. Jick and C. Meier},
  title = {Risk of incident depression in patients with Parkinson disease in the UK},
  year = {2011},
  journal = {Eur J Neurol},
  volume = {18},
  number = {3},
  pages = {448-53},
  issn = {1351-5101},
  doi = {10.1111/j.1468-1331.2010.03176.x},
}