RT Journal Article SR Electronic T1 Decisional capacity in cognitively impaired patients with Parkinson disease JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 780 OP 781 DO 10.1212/WNL.0b013e3182a05ccd VO 81 IS 9 A1 Marson, Daniel C. A1 Hershey, Linda A. YR 2013 UL http://n.neurology.org/content/81/9/780.abstract AB