Research Article

Comparison of effects of propranolol and metoprolol on airways obstruction in chronic bronchitis.

Br Med J 1979; 1 doi: https://doi.org/10.1136/bmj.1.6157.168 (Published 20 January 1979) Cite this as: Br Med J 1979;1:168

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

PDF extract preview