AU - Weintraub D, Doshi J, Koka D, et al TI - NEurodegeneration across stages of cognitive decline in parkinson disease PT - JOUR DP - 2011 TA - Archives of Neurology pages = {1562-1568}, VI - 68 IP - 12 AID - 10.1001/archneurol.2011.725 [doi] 4100 - http://dx.doi.org/10.1001/archneurol.2011.725 SO - Archives of Neurology December 1, 2011 68(12):1562