PT - JOURNAL ARTICLE AU - Hwang, Stephen W. TI - Homelessness and harm reduction AID - 10.1503/cmaj.051505 DP - 2006 Jan 03 TA - Canadian Medical Association Journal PG - 50--51 VI - 174 IP - 1 4099 - http://www.cmaj.ca/content/174/1/50.short 4100 - http://www.cmaj.ca/content/174/1/50.full SO - CMAJ2006 Jan 03; 174