RT Journal Article SR Electronic T1 Back pain in a 59-year-old woman with rheumatoid arthritis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 817 OP 819 DO 10.1503/cmaj.151517 VO 188 IS 11 A1 Roni Kraut A1 Steven Katz A1 Andrew Cave YR 2016 UL http://www.cmaj.ca/content/188/11/817.abstract