Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21666433.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21666433/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21666433
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CASP3-1
	free resource	Silverchair Information Systems	https://pubs.asahq.org/anesthesiology/article-lookup/doi/10.1097/ALN.0b013e318223b78b