Global Initiative for Asthma Strategy 2021: executive summary and rationale for key changes.
Eur Respir J. 2021 Dec 31;59(1):2102730. doi: 10.1183/13993003.02730-2021. Print 2022 Jan.
Eur Respir J. 2021.
PMID: 34667060
Free PMC article.
Review.