![](/img/cover-not-exists.png)
The peak flow whistle: a simple device for monitoring peak flow in children.
Tsanakas, J N, Bannister, O M, Boon, A W, Milner, R DVolume:
293
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.293.6559.1410
Date:
November, 1986
File:
PDF, 238 KB
english, 1986