@article{koller1989-2720700,
  author  = {Koller, W. C. and Glatt, S. and Vetere-Overfield, B. and Hassanein, R.},
  title   = {{Falls and Parkinson's disease}},
  journal = {Clinical neuropharmacology},
  year    = {1989},
  doi     = {10.1097/00002826-198904000-00003},
  pmid    = {2720700},
  url     = {https://doi.org/10.1097/00002826-198904000-00003}
}