Research Article
Good servants are scarce.
Br Med J (Clin Res Ed) 1981; 283 doi: https://doi.org/10.1136/bmj.283.6307.1674 (Published 19 December 1981) Cite this as: Br Med J (Clin Res Ed) 1981;283:1674This is a PDF-only article. The first page of the PDF of this article appears above.