PT - JOURNAL ARTICLE AU - Russell Williams TI - Perspectives on drug withdrawals AID - 10.1503/cmaj.1050027 DP - 2005 Jul 19 TA - Canadian Medical Association Journal PG - 129--129-a VI - 173 IP - 2 4099 - http://www.cmaj.ca/content/173/2/129.2.short 4100 - http://www.cmaj.ca/content/173/2/129.2.full SO - CMAJ2005 Jul 19; 173