TY  - RPRT
TI  - Methacholine bronchial challenge using a dosimeter with controlled tidal breathing.
AU  - M M Nieminen
AU  - A Lahdensuo
AU  - L Kellomaeki
AU  - J Karvonen
AU  - A Muittari
PY  - 1988
DO  - 10.1136/thx.43.11.896
UR  - https://pubmed.ncbi.nlm.nih.gov/3065974/
ID  - 3065974
ER  -