Correspondence

Problems of Vitamin B Deficiency

Br Med J 1938; 1 doi: https://doi.org/10.1136/bmj.1.4030.756-a (Published 02 April 1938) Cite this as: Br Med J 1938;1:756

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