Research Article
Letter: Carcinoembryonic antigen and mucus.
Br Med J 1976; 1 doi: https://doi.org/10.1136/bmj.1.6013.836-d (Published 03 April 1976) Cite this as: Br Med J 1976;1:836This is a PDF-only article. The first page of the PDF of this article appears above.