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/18488442/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/18488442
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-BAD-1
	free resource	Dove Medical Press	https://dx.doi.org/10.2147/copd.s2204