Research Article
Letter: Continuous diaphragm sign of pneumomediastinum.
Br Med J 1974; 2 doi: https://doi.org/10.1136/bmj.2.5910.119-c (Published 13 April 1974) Cite this as: Br Med J 1974;2:119This is a PDF-only article. The first page of the PDF of this article appears above.