@inbook{1163873653, author={Yvonne Chan and John C. Goddard}, title={TNM Classification in Otolaryngology—Head and Neck Surgery}, booktitle={K.J. Lee’s Essential Otolaryngology: Head and Neck Surgery, 12e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accesssurgery.mhmedical.com/content.aspx?aid=1163873653} }