Intended for healthcare professionals

Correspondence

Release of High-frequency Apparatus

Br Med J 1942; 2 doi: https://doi.org/10.1136/bmj.2.4269.527 (Published 31 October 1942) Cite this as: Br Med J 1942;2:527
PDF extract preview

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

Log in

Log in through your institution

Subscribe

* For online subscription