Prediction of cognition in Parkinson's disease with a clinical–genetic score: a longitudinal analysis of nine cohortsGanqiang Liu, Scott McGinnis, Zhixiang Liao et al.|The Lancet Neurology|2017Cited by 189
Unrecognized vitamin D <sub>3</sub> deficiency is common in Parkinson diseaseHongliu Ding, Clemens R. Scherzer, Kaltra Dhima et al.|Neurology|2013Cited by 133