Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0272-5231(13)00166-4
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	subscription/membership/fee required	W.B. Saunders	http://journals.elsevierhealth.com/retrieve/pii/S0272-5231(13)00166-4
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-HLA-B-1
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0272-5231(13)00166-4
	free resource	scite Smart Citations	https://scite.ai/reports/24507850