1. : Surgical therapy of oral cavity tumours, in (eds): Comprehensive Manage ment of Head and Neck Tumours. Philadelphia, WB Saun ders, pp 516–535, 1987.
2. Risk Factors in Multiple Carcinomas of the Lip
3. Carcinoma of the lip
4. : Malignant neoplasms of the oral cavity, in , , , (eds): Otolaryngology—Head and Neck Sur gery. St. Louis, CV Mosby, pp 1305–1343, 1986.