Name	Info	Provider	Link
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	Nature Publishing Group	https://doi.org/10.1038/s41598-019-38600-z
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30760822/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30760822
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1270