RT Journal Article SR Electronic T1 Clinical usefulness of bronchoalveolar lavage JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 377 OP 378 DO 10.1183/09031936.93.03030377 VO 3 IS 3 A1 Howard, P YR 1990 UL http://erj.ersjournals.com/content/3/3/377.abstract AB