Name Info Provider Link
subscription/membership/fee required Atypon https://ascopubs.org/doi/10.1200/JCO.20.00056?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
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=32496903.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32496903/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/32496903