Mudali, Deborah, Klaus L Leenders, M.C. Rodriguez Oroz, Jose A Obeso, Javier Arbizu, Pedro Clavero, David Garcia Garcia, et al. 2016. “Differentiating Early and Late Stage Parkinson’s Disease Patients from Healthy Controls”. British Journal of Healthcare and Medical Research 3 (6):33. https://doi.org/10.14738/bjhmr.36.2280.