TY - JOUR T1 - Strains and toxins of <em>Clostridium</em> JF - Canadian Medical Association Journal JO - CMAJ SP - 313 LP - 313 DO - 10.1503/cmaj.1041735 VL - 172 IS - 3 AU - Jacques Pépin Y1 - 2005/02/01 UR - http://www.cmaj.ca/content/172/3/313.abstract ER -