Research Article

Simple drug delivery system for use by young asthmatics.

Br Med J (Clin Res Ed) 1983; 286 doi: https://doi.org/10.1136/bmj.286.6383.2021 (Published 25 June 1983) Cite this as: Br Med J (Clin Res Ed) 1983;286:2021

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

PDF extract preview