1. 1982 Cancer Facts and Figures,1981
2. Oral Cancer;Silverman,1981
3. A tumor registry study of oral squamous carcinoma;Chierici;J Oral Med,1968
4. Maxillofacial Rehabilitation;Beumer,1979
5. The treatment of squamous cell carcinoma of the lower lip by rigid implants;Durrant;Clin Radiol,1973