PT - JOURNAL ARTICLE ED - , TI - Alternative forms of levodopa AID - 10.1136/dtb.10.26.103 DP - 1972 Dec 22 TA - Drug and Therapeutics Bulletin PG - 103--104 VI - 10 IP - 26 4099 - http://dtb.bmj.com/content/10/26/103.short 4100 - http://dtb.bmj.com/content/10/26/103.full SO - Drug Ther Bull1972 Dec 22; 10 AB - Since we discussed levodopa in 1970,1 the drug has been marketed in several forms. There is now a choice of tablets, capsules and slow-release preparations. Tablets or capsules usually need to be taken four to six times a day.