RT Journal Article SR Electronic T1 Diclofenac linked to increased risk of C. difficile JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 471 OP 471 DO 10.1503/cmaj.109-4426 VO 185 IS 6 A1 Sarah Spitz YR 2013 UL http://www.cmaj.ca/content/185/6/471.abstract AB