To determine the effect of the ERCC1 C8092A polymorphism and the ERCC2/XPD G23591A polymorphism on the risk of squamous cell carcinoma of the head and neck (SCCHN).
Department of Head and Neck Surgery, Box 441, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030-4009, USA. esturgis@mdanderson.org