Citation Select	Asadi L, Sligl WI, Eurich DT, Colmers IN, Tjosvold L, Marrie TJ, Majumdar SR Macrolide-based regimens and mortality in hospitalized patients with community-acquired pneumonia: a systematic review and meta-analysis Clin Infect Dis. 2012 Aug;55(3):371-80. doi: 10.1093/cid/cis414