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/23905758/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/23905758
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD8A-1
	free resource	scite Smart Citations	https://scite.ai/reports/23905758
	subscription/membership/fee required	Silverchair Information Systems	https://portlandpress.com/clinsci/article-lookup/doi/10.1042/CS20130152