5Garewal HS Katz RV Megsrens F et al.β-carotene produces sustained remissions in patients with oral leukoplakia[J].Archotolaryngol head neck Surg,1999,125:1305-10.
6Garewal HS.Potential role of β-carotene in prevention of oral cancer[J].Am J Clin Nutr,1991,53(1):294-7.
71，De Theh, Vivanco-kuiz Mdm, Tiollais P, et al. Identification of a retinoic acid responsive element in the retinoic acid receptor beta gene. Nature,1990;343(6254):177～183
82，Gudas LJ, Molecular mechanism of retinoic action. Am J Respir Cell Moll Biol,1990;2:319～325
93，Skaskita A, kizaki M, Pakka Las et al. P-cis retino-ics acid:effects on normal and leukemic heamtopoiesis in vitro. Blood,1993;81:1009～1016
104，Xu-Xc, Zile-MH, Lippman-SM et al, Anti-retinoic(RA) antibody binding to human premalignant oral lessions, which occurs less frequently than binding to normal tissue, increases after 13-cis-RA treatment in vivo and is related to RA receptor beta expression. Cancer Res,1995;Dec 1;55(23):5507～5511
