Genetic polymorphisms of CYP1A1, CYP2E1, GSTM1, and GSTT1 associated with head and neck cancer - Gattás, Gilka Jorge Figaro; Carvalho, Marcos Brasilino de; Siraque, Maria Salete; Curioni, Otávio A.; Kohler, Priscila; Eluf-Neto, José; Wünsch Filho, Victor (Head & Neck, 2006)