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/34433620/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34433620
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3339
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/182733
	subscription/membership/fee required	Silverchair Information Systems	https://journals.aai.org/jimmunol/article-lookup/doi/10.4049/jimmunol.2100105