1) Bark R, Mercke C, et al : Cancer of the gingiva. Eur Arch Otorhinolaryngol 273: 1335-1345, 2016.
2) Overholt SM, Eicher SA, et al : Prognostic factors affecting outcome in lower gingival carcinoma. Laryngoscope 106: 1335-1339, 1996.
3) Soo KC, Spiro RH, et al : Squamous carcinoma of the gums. Am J Surg 156: 281-285. 1988.
4) Shingaki S, Nomura T, et al : Squamous cell carcinomas of the mandibular alveolus: analysis of prognostic factors. Oncology 62: 17-24. 2002.
5) Morris LG, Patel SG, et al : High rates of regional failure in squamous cell carcinoma of the hard palate and maxillary alveolus. Head Neck 33: 824-830, 2011.