Letters

The Hawksley random zero sphygmomanometer: Measuring instruments are never perfect

BMJ 1993; 307 doi: https://doi.org/10.1136/bmj.307.6896.124 (Published 10 July 1993) Cite this as: BMJ 1993;307:124

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