PT - JOURNAL ARTICLE AU - R. Radbill AU - G. Rosenberg AU - A. Schwartz TI - Effects of levodopa therapy in Parkinson's disease. II. Measurement of behavioural changes DP - 1974 Dec 07 TA - Canadian Medical Association Journal PG - 1218--1222 VI - 111 IP - 11 4099 - http://www.cmaj.ca/content/111/11/1218.short 4100 - http://www.cmaj.ca/content/111/11/1218.full SO - CMAJ1974 Dec 07; 111