RT Journal Article SR Electronic T1 Clarification of article on Clostridium difficile--associated colitis. JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 189 OP 189 VO 51 IS 2 A1 Kenneth Brown YR 2005 UL http://www.cfp.ca/content/51/2/189.abstract AB