PT - JOURNAL ARTICLE AU - Russell, Alan L TI - Focusing on glucosamine sulfate. DP - 2004 Jul 01 TA - Canadian Family Physician PG - 980--981 VI - 50 IP - 7 4099 - http://www.cfp.ca/content/50/7/980.short 4100 - http://www.cfp.ca/content/50/7/980.full SO - Can Fam Physician2004 Jul 01; 50