RT Journal Article SR Electronic T1 Orthostatic hypotension, cognition, and Parkinson disease JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 11 OP 12 DO 10.1212/WNL.0000000000003468 VO 88 IS 1 A1 Laura S. Boylan A1 Lambros Messinis YR 2017 UL http://n.neurology.org/content/88/1/11.abstract AB