1. throughout the lung is by no means uniform and that estimation of the quantity of emphysema from examination of a single slice, or whole-lung section, may give a totally erroneous impression of the amount of disease present in the entire lung;Recently, Duguid, Young, Cauna, and Lambert; published their results on the estimation of the surface area of the lung in emphysema from observations made on the complete histological,1964
2. Proc6de mecanique pour d6terminer la composition des roches;Delesse, A.;C. R. Acad. Sci. (Paris),1847
3. The internal surface area of the lung in emphysema;Duguid, J.B.; Young, A.; Cauna, D.; Lambert, M.W.;J. Path. B7ct,1964
4. Quantitative methods in the study ofpulmonary pathology;Duniill, M.S.;Thorax,1962
5. Evaluation of a simple method of sampling the lung for quantitative histological analysis;Duniill, M.S.;Ibid,1964