Name	Info	Provider	Link
GFRA4	free resource	BioCyc	https://biocyc.org/gene?orgid=HUMAN&id=HS04958
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0887-8994(00)00277-0
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:11551746