1. A case of unilateral pulmonary emphysema;Swyer;Thorax,1953
2. Unilateral ?emphysema.?;Dornhorst;Lancet,1957
3. Unilateral pulmonary emphysema;Katz;Radiology,1959
4. Unilateral emphysema;Fouch?;Brit. M. J.,1960
5. Unusual forms of emphysema;Bates;Am. Rev. Resp. Dis.,1959