TY - JOUR T1 - <em>C. diff</em> rates falling but still a concern JF - Canadian Medical Association Journal JO - CMAJ SP - E581 LP - E581 DO - 10.1503/cmaj.109-4550 VL - 185 IS - 12 AU - Brian Owens Y1 - 2013/09/03 UR - http://www.cmaj.ca/content/185/12/E581.abstract N2 - ER -