Correspondence

Tinted Glasses

Br Med J 1952; 2 doi: https://doi.org/10.1136/bmj.2.4785.669-c (Published 20 September 1952) Cite this as: Br Med J 1952;2:669

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview

Sign in

Log in through your institution

Subscribe