LORO, LL. Suppression of Fas receptor and negative correlation of Fas ligand with differentiation and apoptosis in oral squamous cell carcinoma. J Oral Pathol Med. 1999, 28, 82-87
CHEN, Q. Up-regulation of Fas ligand and down-regulation of Fas expression in oral carcinogenesis. Oral Oncol. 1999, 35, 548-553