Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://array.aami.org/doi/10.2345/0899-8205-45.1.75
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21322816.ui
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-AKR1B1-1
	subscription/membership/fee required	Silverchair Information Systems	https://meridian.allenpress.com/bit/article-lookup/doi/10.2345/0899-8205-45.1.75