RT Journal Article SR Electronic T1 Fish oils are beneficial to patients with established rheumatoid arthritis. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2563 OP 2565 VO 28 IS 11 A1 R A Harrison A1 B J Harrison YR 2001 UL http://www.jrheum.org/content/28/11/2563.2.abstract AB