RT Journal Article SR Electronic T1 Impact of macrolide therapy on mortality in severe sepsis caused by pneumonia JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 521 OP 521 DO 10.1183/09031936.00036209 VO 34 IS 2 A1 van der Eerden, M. M. A1 Boersma, W. G. YR 2009 UL http://erj.ersjournals.com/content/34/2/521.1.abstract AB