Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1019-6439&volume=52&issue=1&spage=166&aulast=Yamada
Head and Neck Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/headandneckcancer.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29115582.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29115582/
	subscription/membership/fee required	Spandidos Publications	https://www.spandidos-publications.com/ijo/52/1/166
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29115582
	free resource	scite Smart Citations	https://scite.ai/reports/29115582