Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1871-5206&volume=10&issue=6&spage=462&aulast=Hofman
Brain Tumors	free resource	MedlinePlus Health Information	https://medlineplus.gov/braintumors.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20879986/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/20879986
	subscription/membership/fee required	Bentham Science Publishers Ltd.	http://www.eurekaselect.com/72521/article
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:20879986