Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/0014-5793(91)80550-M
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0014-5793&date=1991&volume=283&issue=1&spage=47
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-IL6R-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-807