1. Fukushima, S., Hagiwara, A., Ogiso, T., Shibata, M., Ito, N.: Promoting effects of various chemicals in rat urinary bladder carcinogenesis initiated by N-nitroso-n-butyl-(4-hydroxybutyl)amine. Fd Chem Toxicol, 21: 59-68, 1983.

2. Hotta, K., Yamamoto, Y., Imaida, K., Oshima, M., Fukushima, S., Ito, N.: Membrance potential of rat urinary bladder epithelial cells. Jpn J Physiol, 33: 139-143, 1983.

3. Ito, N., Fukushima, S., Shirai, T., Nakanishi, K., Hasegawa, R., Imaida, K.: Modifying factors in urinary bladder carcinogenesis. Environ Health Perspect, 49: 217-222, 1983.

4. Fukushima, S., Arai, M., Nakanowatari, J., Hibino, T., Okuda, M., Ito, N.: Differences in susceptibility to sodium saccharin among various strains of rats and other animal species. Gann, 74: 8-20, 1983.

5. Shirai, T., Nakanowatari, J., Kurata, Y., Fukushima, S., Ito, N.: Different dose-response relationships in the induction of different types of colonic tumors in Wistar rats by 1,2-dimethylhydrazine. Gann, 74: 21-27, 1983.

6. Takahashi, M., Kokubo, T., Furukawa, F., Kurokawa, Y., Tatematsu, M., Hayashi, Y.: Effect of high salt diet on rat gastric carcinogenesis induced by N-methyl-N’-nitro-N-nitrosoguanidine. Gann, 74: 28-34, 1983.

7. Ito, N., Fukushima, S., Hagiwara, A., Shibata, M., Ogiso, T.: Carcinogenicity of butylated hydroxyanisole in F344 rats. J Natl Cancer Inst, 70: 343-352, 1983.

8. Tatematsu, M., Furihata, C., Katsuyama, T., Hasegawa, R., Nakanowatari, J., Saito, D., Takahashi, M., Matsushima, T., Ito, N.: Independent induction of intestinal metaplasia and gastric cancer in rats treated with N-methyl-N’-nitro-N-nitrosoguanidine. Cancer Res, 43: 1335-1341, 1983.

9. Tatematsu, M., Hasegawa, R., Imaida, K., Tsuda, H., Ito, N.: Survey of various chemicals for initiating and promoting activities in a short-term in vivo system based on generation of hyperplastic liver nodules in rats. Carcinogenesis, 4: 381-386, 1983.

10. Imaida, K., Ishihara, Y., Nishio, O., Nakanishi, K., Ito, N.: Carcinogenicity and toxicity tests on p-phenylenediamine in F344 rats. Toxicol Lett, 16: 259-269, 1983.

11. Tsuda, H., Sakata, T., Tamano, S., Okumura, M., Ito, N.: Sequential observations on the appearance of neoplastic lesions in the liver and kidney after treatment with N- ethyl-N-hydroxyethylnitrosamine followed by partial hepatectomy and unilateral nephrectomy. Carcinogenesis, 4: 523-528, 1983.

12. Imaida, K., Oshima, M., Fukushima, S., Ito, N., Hotta, K.: Membrane potentials of urinary bladder epithelium in F344 rats treated with N-butyl-N-(4-hydroxybutyl)nitrosamine or sodium saccharin. Carcinogenesis, 4: 659-661, 1983.

13. Ito, N., Fukushima, S., Shirai, T., Nakanishi, K.: Effects of promoters on N-butyl-N- (4-hydroxybutyl)nitrosamine-induced urinary bladder carcinogenesis in the rat. Environ Health Perspect, 50: 61-69, 1983.

14. Ito, N., Tsuda, H., Hasegawa, R., Imaida, K.: Comparison of the promoting effects of various agents in induction of preneoplastic lesions in rat liver. Environ Health Perspect, 50: 131-138, 1983.

15. Imaida, K., Fukushima, S., Shirai, T., Ohtani, M., Nakanishi, K., Ito, N.: Promoting activities of butylated hydroxyanisole and butylated hydroxytoluene on 2-stage urinary bladder carcinogenesis and inhibition of γ-glutamyl transpeptidase-positive foci development in the liver of rats. Carcinogenesis, 4: 895-899, 1983.

16. Tsuda, H., Fukushima, S., Imaida, K., Kurata, Y., Ito, N.: Organ-specific promoting effect of phenobarbital and saccharin in induction of thyroid, liver, and urinary bladder tumors in rats after initiation with N-nitrosomethylurea. Cancer Res, 43: 3292-3296, 1983.

17. Ito, N., Fukushima, S., Imaida, K., Sakata, T., Masui, T.: Induction of papilloma in the forestomach of hamsters by butylated hydroxyanisole. Gann, 74: 459-461, 1983.

18. Ito, N., Tsuda, H., Sakata, T., Hasegawa, R., Tamano, S.: Inhibitory effect of butylated hydroxyanisole and ethoxyquin on the induction of neoplastic lesions in rat liver after an initial treatment with N-ethyl-N-hydroxyethylnitrosamine. Gann, 74: 466-468, 1983.

19. Tsuda, H., Miyata, Y., Hatano, A., Inui, M., Ito, N.: Effects of dietary lithocholic and deoxycholic acids on rat liver. Nagoya Med J, 28: 65-70, 1983.

20. Fukushima, S., Imaida, K., Sakata, T., Okamura, T., Shibata, MA., Ito, N.: Promoting effects of sodium L-ascorbate on two-stage urinary bladder carcinogenesis in rats. Cancer Res., 43: 4454-4457, 1983.

21. Hayashi, M., Tsuda, H., Ito, N.: Histopathological classification of spontaneous hyperplastic liver nodules in slaughtered swine. J Comp Pathol, 93: 603-612, 1983.

22. Tamano, S., Tsuda, H., Fukushima, S., Masui, T., Hosoda, K., Ito, N.: Dose and sex dependent effects of 2-acetylaminofluorene, 3′-methyl-4-dimethylaminoazobenzene and DL-ethionine in induction of γ-glutamyl transpeptidase-positive liver cell foci in rats. Cancer Lett, 20: 313-321, 1983.

23. Fukushima, S., Kurata, Y., Shibata, MA., Ikawa, E., Ito, N.: Promoting effect of sodium o-phenylphenate and o-phenylphenol on two-stage urinary bladder carcinogenesis in rats. Gann, 74: 625-632, 1983.

24. Hirose, M., Fukushima, S., Sakata, T., Inui, M., Ito, N.: Effect of quercetin on two-stage carcinogenesis of the rat urinary bladder. Cancer Lett, 21: 23-27, 1983.

25. Lurie, AG., Tatematsu, M., Nakatsuka, T., Rippey, RM., Ito, N.: Anatomical and functional vascular changes in hamster cheek pouch during carcinogenesis induced by 7,12-dimethylbenz(a)anthracene. Cancer Res, 43: 5986-5994, 1983.

26. Hagiwara, A., Shibata, M., Kurata, Y., Seki, K., Fukushima, S., Ito, N.: Long-term toxicity and carcinogenicity test of ammonia-process caramel colouring given to B6C3F1 mice in the drinking-water. Fd Chem Toxicol, 21: 701-706, 1983.

27. Ohtani, M., Fukushima, S., Ito, N., Koiso, K., Niijima, T.: Effects of intravesical instillation of antitumor drugs on the induction of preneoplastic bladder lesions in rats. Cancer Chemother Pharmacol, 11 (Suppl): S64-S66, 1983.

28. Tsuda, H.: Goiter, adenoma, and carcinoma of the thyroid induced by amitrole and ethylenethiourea, rat. In: Jones, TC., Moher, U., Hunt, RD.(eds.) Endocrine System, pp204-211. Springer-Verlag, Berlin, Heidelberg, New York, Tokyo, 1983.

29. Sato, K., Kitahara, A., Yin, Z., Ebina, T., Satoh, K., Tsuda, H., Ito, N., Dempo, K.: Molecular forms of glutathione S-transferase and UDP-glucuronyltransferase as hepatic preneoplastic marker enzymes. In: Alpert, E., Hirai, H. (eds.) Annals of the New York Academy of Sciences, Vol.417, pp213-223. ANN N.Y. Acad Sci, New York, 1983.