Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1368-8375(19)30189-7
Head and Neck Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/headandneckcancer.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31345376/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31345376