RT Journal Article SR Electronic T1 Hospital-acquired pneumonia in Europe JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 951 OP 952 DO 10.1183/09031936.00004509 VO 33 IS 5 A1 A. Torres A1 S. Ewig A1 H. Lode A1 J. Carlet YR 2009 UL http://erj.ersjournals.com/content/33/5/951.abstract AB