Transforming growth factor "beta"1, retinoic acid receptors RAR"alfa" and RAR"y" but not RAR"beta" mRNAs might bemarkes of nodal spread in oral squamous cell carcinomas - Federico, Miriam Hatsue Honda; Pasini, F. S.; Mangone, F. R.; Kowalski, L. P.; Brentani, M. (Annual Meeting of the American Society of Clinical Oncology, 2001)