TY - JOUR T1 - The redlining of harm reduction programs JF - Canadian Medical Association Journal JO - CMAJ SP - E21 LP - E22 DO - 10.1503/cmaj.109-4054 VL - 184 IS - 1 AU - Paul Christopher Webster Y1 - 2012/01/10 UR - http://www.cmaj.ca/content/184/1/E21.abstract ER -