1. Comparison of transbronchial and open biopsies in diffuse infiltrative lung disease;Wall;Am Rev Respir Dis,1981
2. Open and closed lung biopsy;Gaensler,1980
3. Lingular lung biopsy: is it representative;Newman;Am Rev Respir Dis,1985
4. Clinical-pathologic approach to diffuse infiltrative lung disease;Carrington,1978