Correspondence
Pneumothorax Secondary to Mediastinal Emphysema
Br Med J 1937; 2 doi: https://doi.org/10.1136/bmj.2.4010.994 (Published 13 November 1937) Cite this as: Br Med J 1937;2:994This is a PDF-only article. The first page of the PDF of this article appears above.