RT Journal Article SR Electronic T1 The cardiovascular risk of azithromycin was increased in a large observational cohort study, contradicting findings from prior randomised trials JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP e28 OP e28 DO 10.1136/eb-2012-100900 VO 18 IS 3 A1 Joseph Brent Muhlestein YR 2013 UL http://ebm.bmj.com/content/18/3/e28.abstract AB