RT Journal Article SR Electronic T1 Clostridium difficile colitis: A marker for ischemic colitis? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1326 OP 1327 DO 10.1503/cmaj.1041678 VO 171 IS 11 A1 Dial, Sandra YR 2004 UL http://www.cmaj.ca/content/171/11/1326.abstract