216 Reference values of the provocative concentration of methacholine causing a 20% fall in FEV1 (PC20) in a normal population
- 31 January 1983
- journal article
- abstracts
- Published by Elsevier in Journal of Allergy and Clinical Immunology
- Vol. 71 (1) , 142
- https://doi.org/10.1016/0091-6749(83)90340-8