PT - JOURNAL ARTICLE AU - Diane Wilson TI - Rheumatoid factors in patients with rheumatoid arthritis. DP - 2006 Feb 01 TA - Canadian Family Physician PG - 180--181 VI - 52 IP - 2 4099 - http://www.cfp.ca/content/52/2/180.short 4100 - http://www.cfp.ca/content/52/2/180.full SO - Can Fam Physician2006 Feb 01; 52