RT Journal Article SR Electronic T1 Safer injection facilities for injection drug users: the debate continues JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 420 OP 421 VO 166 IS 4 A1 Brock, Gordon A1 Gurekas, Vydas YR 2002 UL http://www.cmaj.ca/content/166/4/420.abstract