Clinical significance of c-myc and p53 expression in head and neck squamous cell carcinomas - Waitzberg, Angela F. L.; Nonogaki, Suely; Nishimoto, Inês N.; Kowalski, Luiz P.; Miguel, Roberto E. V.; Brentani, Ricardo Renzo; Brentani, Maria Mitzi (Cancer Detection and Prevention, 2004)