Name	Info	Provider	Link
Brain Tumors	free resource	MedlinePlus Health Information	https://medlineplus.gov/braintumors.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29053791.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29053791/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29053791
Apelin receptor - overview and references	free resource	Guide to Pharmacology	https://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=7
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:29053791
	free resource	scite Smart Citations	https://scite.ai/reports/29053791
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/brain/article-lookup/doi/10.1093/brain/awx253
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/52493