| Http://: http://en.wikipedia.org/wiki/Parkinson%27s_disease |
| Http://: https://pubmed.ncbi.nlm.nih.gov/26474316/ |
| Http://: https://www.ncbi.nlm.nih.gov/articles/PMC5877503/ |
| Http://: http://en.wikipedia.org/wiki/Parkinson%27s_disease |
| Http://: https://pubmed.ncbi.nlm.nih.gov/26474316/ |
| Http://: https://www.ncbi.nlm.nih.gov/articles/PMC5877503/ |