RT Journal Article SR Electronic T1 Clostridium difficile: a formidable foe JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 47 OP 48 DO 10.1503/cmaj.1040836 VO 171 IS 1 A1 Vivian G. Loo A1 Michael D. Libman A1 Mark A. Miller A1 Anne-Marie Bourgault A1 Charles H. Frenette A1 Mirabelle Kelly A1 Sophie Michaud A1 Tuyen Nguyen A1 Louise Poirier A1 Anne Vibien A1 Ruth Horn A1 Pierre J. Laflamme A1 Pierre René YR 2004 UL http://www.cmaj.ca/content/171/1/47.abstract