RT Journal Article SR Electronic T1 Severe acute respiratory syndrome (SARS) JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 739 OP 740 DO 10.1183/09031936.03.00035403 VO 21 IS 5 A1 M. Woodhead A1 S. Ewig A1 A. Torres YR 2003 UL http://erj.ersjournals.com/content/21/5/739.abstract AB