PT - JOURNAL ARTICLE AU - Mark, Patricia H. TI - Medicine and the art of methadone maintenance DP - 1999 Dec 14 TA - Canadian Medical Association Journal PG - 1505--1506 VI - 161 IP - 12 4099 - http://www.cmaj.ca/content/161/12/1505.short 4100 - http://www.cmaj.ca/content/161/12/1505.full SO - CMAJ1999 Dec 14; 161