Research Article

Chronic bronchitis. II: Treatment.

Br Med J (Clin Res Ed) 1981; 283 doi: https://doi.org/10.1136/bmj.283.6298.1030 (Published 17 October 1981) Cite this as: Br Med J (Clin Res Ed) 1981;283:1030

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

PDF extract preview