PT - JOURNAL ARTICLE AU - William H. Timberlake TI - Double‐blind comparison of levodopa and procyclidine in parkinsonism, with illustrations of levodopa‐induced movement disorders AID - 10.1212/WNL.20.12_Part_2.31 DP - 1970 Dec 01 TA - Neurology PG - 31--35 VI - 20 IP - 12 Part 2 4099 - http://n.neurology.org/content/20/12_Part_2/31.short 4100 - http://n.neurology.org/content/20/12_Part_2/31.full SO - Neurology1970 Dec 01; 20