Articles

Letters, Notes, and Answers

Br Med J 1930; 1 doi: http://dx.doi.org/10.1136/bmj.1.3622.1079 (Published 07 June 1930) Cite this as: Br Med J 1930;1:1079

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

PDF extract preview