RT Journal Article SR Electronic T1 Physiologic, biochemical, and pathological backgrounds of levodopa and possibilities for the future JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 1 OP 5 DO 10.1212/WNL.20.12_Part_2.1 VO 20 IS 12 Part 2 A1 Oleh D. Hornykiewicz YR 1970 UL http://n.neurology.org/content/20/12_Part_2/1.abstract AB