RT Journal Article SR Electronic T1 C. difficile outside hospital JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 133 OP 133 DO 10.1136/dtb.2009.11.0050 VO 47 IS 12 YR 2009 UL http://dtb.bmj.com/content/47/12/133.abstract AB