National Cancer Institute. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ)–Patient Version. September 05, 2019. Accessed at www.cancer.gov/types/head-and-neck/patient/adult/lip-mouth-treatment-pdq on September 23, 2020.
National Cancer Institute. Oropharyngeal Cancer Treatment (Adult) (PDQ)–Patient Version. April 15, 2020. Accessed at www.cancer.gov/types/head-and-neck/patient/adult/oropharyngeal-treatment-pdq on September 23, 2020.