RT Journal Article SR Electronic T1 What about the role of sulfasalazine? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 899 OP 899 DO 10.1503/cmaj.113-2119 VO 185 IS 10 A1 Callum A Dargavel A1 Kurram Khan YR 2013 UL http://www.cmaj.ca/content/185/10/899.1.abstract AB