1. Should fibreoptic bronchoscopy aspirates be cultured?;Bartlett;Am. Rev. resp. Dis.,1976
2. Fibreoptic bronchoscopy. Part 1: Technique and appraisal;Clarke;Practitioner,1977
3. Flexible bronchofiberscope;Ikeda;Keio J. Med.,1968
4. Etiologic diagnosis of lower respiratory tract infections;Hoeprich;Calif. Med.,1970
5. Fibreoptic bronchoscopic findings in bronchopulmonary aspergillosis;Knight,1979