RT Journal Article SR Electronic T1 Levodopa and behavior JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 43 OP 55 DO 10.1212/WNL.22.5_Part_2.43 VO 22 IS 5 Part 2 A1 Manuel Riklan YR 1972 UL http://n.neurology.org/content/22/5_Part_2/43.abstract AB