Validation of a diagnosis-agnostic symptom questionnaire for asthma and/or COPD
Niklas Karlsson, Mark J. Atkinson, Hana Müllerová, Marianna Alacqua, Christina Keen, Rod Hughes, Christer Janson, Barry Make, David Price, Helen K. Reddel, NOVELTY study investigators
ERJ Open Research Jan 2021, 7 (1) 00828-2020; DOI: 10.1183/23120541.00828-2020