PT - JOURNAL ARTICLE ED - , TI - Investigative use of bronchoscopy, lavage and bronchial biopsies in asthma and other airways diseases AID - 10.1183/09031936.93.05010115 DP - 1992 Jan 01 TA - European Respiratory Journal PG - 115--121 VI - 5 IP - 1 4099 - http://erj.ersjournals.com/content/5/1/115.short 4100 - http://erj.ersjournals.com/content/5/1/115.full SO - Eur Respir J1992 Jan 01; 5