Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1381-6128&volume=8&issue=12&spage=1063&aulast=Graham
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTGS2-1
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/64079/article