Research Article

Small fish in a turbulent sea.

Br Med J (Clin Res Ed) 1987; 295 doi: https://doi.org/10.1136/bmj.295.6611.1475 (Published 05 December 1987) Cite this as: Br Med J (Clin Res Ed) 1987;295:1475

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

PDF extract preview