Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1877-7821(19)30126-2
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/31586822/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/31586822
subscription/membership/fee required ClinicalKey https://www.clinicalkey.com/content/playBy/pii?v=S1877-7821(19)30126-2