RT Journal Article SR Electronic T1 Clostridium difficile infection in hospitals: a brewing storm JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 27 OP 29 DO 10.1503/cmaj.1040957 VO 171 IS 1 A1 Louis Valiquette A1 Donald E. Low A1 Jacques Pépin A1 Allison McGeer YR 2004 UL http://www.cmaj.ca/content/171/1/27.abstract