RT Journal Article SR Electronic T1 Probiotics are associated with a decreased risk of antibiotic-associated diarrhoea JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 71 OP 72 DO 10.1136/eb-2012-100863 VO 18 IS 2 A1 Filippo Cremonini A1 Elizabeth Jane Videlock YR 2013 UL http://ebm.bmj.com/content/18/2/71.abstract AB