Name	Info	Provider	Link
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34290711/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34290711
	free resource	Frontiers Media SA	https://doi.org/10.3389/fimmu.2021.693149