Measurement
ECRHS-III: Third European Community Respiratory Health Survey-devised measure
Reference and/or access link:
Juniper, E.F., Guyatt, G.H., Ferrie, P.J. and King, D.R. (1999). Development and validation of a questionnaire to measure asthma control. European Respiratory Journal, 14(4): 902-207
https://www.ecrhs.org/ecrhs-iii