RT Journal Article SR Electronic T1 Is Clostridium difficile infection still a problem for hospitals? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 17 OP 18 DO 10.1503/cmaj.111449 VO 184 IS 1 A1 Enoch, David A. A1 Aliyu, Sani H. YR 2012 UL http://www.cmaj.ca/content/184/1/17.abstract