Middle Articles

Medical Films

Br Med J 1969; 3 doi: https://doi.org/10.1136/bmj.3.5664.234 (Published 26 July 1969) Cite this as: Br Med J 1969;3:234

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

PDF extract preview

Log in

Log in through your institution

Subscribe

* For online subscription