Validation of a diagnosis-agnostic symptom questionnaire for asthma and/or COPD
Citation
Karlsson , N , Atkinson , M J , Müllerová , H , Keen , C , Hughes , R , Janson , C , Make , B , Price , D , Reddel , H K & NOVELTY study investigators 2021 , ' Validation of a diagnosis-agnostic symptom questionnaire for asthma and/or COPD ' , ERJ Open Research , vol. 7 , no. 1 , 00828-2020 . https://doi.org/10.1183/23120541.00828-2020
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This article is open access and distributed under the terms of the Creative Commons Attribution Licence 4.0. https://creativecommons.org/licenses/by/4.0/