RT Journal Article SR Electronic T1 A new sensitive imaging biomarker for Parkinson disease? JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1374 OP 1375 DO 10.1212/01.wnl.0000343512.36654.41 VO 72 IS 16 A1 Lang, Anthony E. A1 Mikulis, David YR 2009 UL http://n.neurology.org/content/72/16/1374.abstract AB