PT - JOURNAL ARTICLE AU - B Wallaert AU - GA Rossi AU - Y Sibille TI - Clinical guidelines and indications for bronchoalveolar lavage (BAL): collagen-vascular diseases AID - 10.1183/09031936.93.03080942 DP - 1990 Sep 01 TA - European Respiratory Journal PG - 942--943 VI - 3 IP - 8 4099 - http://erj.ersjournals.com/content/3/8/942.short 4100 - http://erj.ersjournals.com/content/3/8/942.full SO - Eur Respir J1990 Sep 01; 3