Dulovic M, Schäffer E, Leypoldt F, Balck A, Schaake S, Hinrichs F, Kirchner H, Brüggemann N, Berg D, Lohmann K.
Parkinsonism Relat Disord. 2018 Sep;54:116-118. doi: 10.1016/j.parkreldis.2018.04.001. Epub 2018 Apr 3.
https://www.ncbi.nlm.nih.gov/pubmed/29650490