1. Head and neck cancer;Vokes,1992
2. Increased fragile sites and sister chromatid exchanges in bone marrow and peripheral blood of young cigarette smokers;Kao-Shan;Cancer Res,1987
3. Prevention of second primary tumors with isotretinoin in squamous-cell carcinoma of the head and neck;Hong;N Engl J Med,1990
4. Radiation Therapy Oncology Group (RTOG) studies in head and neck cancer;Marcial;Semin Oncol,1988
5. Are we making any progress?;Goepfert;Arch Otolaryngol Head Neck Surg,1984