3Kudo T, Maeda S, Nakamae J, et al. A possible relationship between processing from precursor proteins to opioid peptides and noxious stimulation in the rat incisor pulp [ J]. Life Sci, 1983,33 [ Suppl Ⅰ ]:681-684.
4Kudo T,Yonehara N, Hayashi T, et al. Opioid peptide in the dog canine pulp [ A] ? Takagi H, Simon EJ(ed). Advances in Endogenous and Exogenous Opioids [ M ]. Tokyo: Kodansha/Elsevier, 1981. 173-175.
5Kudo T, Chang HL, Maeda S, et al. Changes of the met-enkephalin-like peptide content induced by noxious stimulation in the rat incisor pulp[ J]. Life Sci, 1983,33 [ Suppl Ⅰ ] :677-680.
6Desiderio DM, Tanzer FS, Fridland G. Metabolic profiling of opioid peptides in tooth pulp by HPLC and radioreceptor assay[J]. Neuropeptides, 1985,6(5) : 463-469.
7Inoki R, Kudo T. Enkephalin and bradykinin in dental pulp[J]. Trends pharmacol Sci, 1986,7(3) : 275-277.
8Wei EQ, Kudo T, Inoki R. Subcellular distribution of enkephalin precursor proteins in rat dental pulp and the usefulness as a substrate for enkephalin- producing enzymes [ J ] . Life Sci, 1991,48 (7) : 667-674.