RT Journal Article SR Electronic T1 The spectrum of levodopa‐related fluctuations in Parkinson's disease JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1459 OP 1459 DO 10.1212/WNL.43.8.1459 VO 43 IS 8 A1 Riley, David E. A1 Lang, Anthony E. YR 1993 UL http://n.neurology.org/content/43/8/1459.abstract AB