Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0020-7519(07)00329-3
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-2
Full text from	free resource	CORE	https://core.ac.uk/reader/55793740?utm_source=linkout