Name	Info	Provider	Link
	free resource	HighWire	https://bmjopen.bmj.com/lookup/pmidlookup?view=long&pmid=33247005
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33247005/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33247005