RT Journal Article SR Electronic T1 Technical recommendations and guidelines for bronchoalveolar lavage (BAL). Report of the European Society of Pneumology Task Group JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 561 OP 585 DO 10.1183/09031936.93.02060561 VO 2 IS 6 YR 1989 UL http://erj.ersjournals.com/content/2/6/561.abstract AB