Name	Info	Provider	Link
Oral Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/oralcancer.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34839418/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00784-021-04228-5
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34839418
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/188136