2Li N,H an C,Chen J S.Tea preparations protect against\sDMBA-induced oral carcinogenesis in hamsters[J].Nutrition\sand Cancer,1999,35(1):73-79.
3Xu Y,Han C.The effect of Chinese tea on the occurrence of\sesophageal tumor induced by N-Nitroso-methylbenzylamine\sFormed in Vivo.Biomedical and Environmental Sciences,1990,3:406-412.
4Jia X D,Han C,Chen J S.Effects of tea on preneoplastic\slesions and cell cycle regulators in rat liver[J].Cancer\sEpidemiol Biomark&Prevention,2002,11(12):1663-1667.
5Gong Y Y,Han C,Chen J S.Effect of tea polyphenols and tea\spigments on the inhibition of precancerous liver lesions in Rats[J].Nutrition and Cancer,2000,38(1):81-86.
6Jia X D,Han C.Effects of green tea on colonic aberrant crypt\sfoci and proliferation indexes in rats[J].Nutrition and Cancer,2001,39(2):239-243.
7Han C.Screening of anticarcinogenic ingredients in tea\spolyphenols[J].Cancer Letters,1997,114(1-2):153-158.
8Hu G Z,Han C,Chen J S.Inhibition of oncogene expression by\sgreen tea and(-)-epigallocatechin gallate in mice[J].Nutrition\sand Cancer,1995,24(2):203-209.
9Li N,Sun Z,Han C,et al.The chemopreventive effects of tea\son human oral precancerous mucosa lesions[J].Proceeding of\sthe Society for Experimental Biology and Medicine,1999,220(4):218-224.
10Jia X D,Han C,Chen J S.Tea pigments induce cell-cycle\sarrest and apoptosis in Hep G2 cells[J].World Joural of\sGastroenterology,2005,11(34):5273-5276.
