p53, but not p16 mutations in oral squamous cell carcinomas are associated with specific CYP1A1 and GSTM1 polymorphic genotypes and patient tobacco use. - Lazarus,P.; Sheikh,S.N.; Ren,Q.; Schantz,S.P.; Stern,J.C.; Richie,J.P.; Park,J.Y. (Carcinogenesis, 1998)