RT Journal Article SR Electronic T1 Is it rational to treat pneumonia with exogenous surfactant? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1427 OP 1428 DO 10.1183/09031936.93.06101427 VO 6 IS 10 A1 B Lachmann A1 D Gommers YR 1993 UL http://erj.ersjournals.com/content/6/10/1427.abstract AB