Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21235648.ui
Linked Gene Data	subscription/membership/fee required	The Arabidopsis Information Resource	http://www.arabidopsis.org/servlets/TairObject?type=publication&id=501741604
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/j.1365-313X.2010.04456.x