Name	Info	Provider	Link
	free resource	HighWire	http://erj.ersjournals.com/cgi/pmidlookup?view=long&pmid=34625480
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34625480/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34625480
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-2