RT Journal Article SR Electronic T1 Levodopa‐induced dyskinesia JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 340 OP 340 DO 10.1212/WNL.40.2.340 VO 40 IS 2 A1 John G. Nutt, MD YR 1990 UL http://n.neurology.org/content/40/2/340.abstract AB