Name	Info	Provider	Link
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/nature20566
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27905440.ui
Metabotropic glutamate receptors - overview and references	free resource	Guide to Pharmacology	https://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=40
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:27905440
	free resource	scite Smart Citations	https://scite.ai/reports/27905440