Air quality in Mexico City during the COVID-19 lockdown possibly decreased COPD exacerbations.
ERJ Open Res. 2022 Oct 10;8(4):00183-2022. doi: 10.1183/23120541.00183-2022. eCollection 2022 Oct.
ERJ Open Res. 2022.
PMID: 36225332
Free PMC article.