RT Journal Article SR Electronic T1 Azithromycin associated with a reduction in 90-day mortality among older pneumonia patients, although a true clinical benefit is uncertain JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 226 OP 227 DO 10.1136/ebmed-2014-110061 VO 19 IS 6 A1 Wayne A Ray YR 2014 UL http://ebm.bmj.com/content/19/6/226.abstract AB