Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33001143.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33001143/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33001143
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-HLA-B-1
programmed cell death 1 (CD279) - data and references	free resource	Guide to Pharmacology	https://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2760
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:33001143
	subscription/membership/fee required	Silverchair Information Systems	https://jamanetwork.com/journals/jamaoncology/fullarticle/10.1001/jamaoncol.2020.4515