1. Cancer of the head and neck;Sidransky,2000
2. The impact of smoking status, disease stage, and index tumor site on second primary tumor incidence and tumor recurrence in the head and neck retinoid chemoprevention trial;Khuri;Cancer Epidemiol Biomarkers Prevent,2001
3. Squamous cell carcinoma of the head and neck in nonsmokers: clinical and biologic characteristics and implications for management;Lingen;Curr Opin Oncol,2001
4. Folate and carcinogenesis: an integrated scheme;Choi;Am Soc Nutr Sci,2000
5. Megaloblastic anemias;Antony,2000