1. Indications for bronchoscopy;Larda;Chest,1978
2. State of the art–bronchofiberscopy;Sackner;Am Rev Respir Dis,1975
3. Atlas of flexible bronchofiberscopy;Ikeda,1974
4. Thorascopy;Oldenburg;Chest,1979
5. Perplexing pleural effusion;Gunnels;Chest,1978