1. Gut endocrine cells in rat stomach carcinoma induced by N-methyl-N′-nitro-N-nitrosoguanidine

   • Wataru Yasui
   • Hiromichi Sumiyoshi
   • Eiichi Tahara

   Original Papers Pages: 87 - 92

2. Patterns of destruction of mouse neuroblastoma cells by extracellular hydrogen peroxide formed by 6-hydroxydopamine and ascorbate

   • Y. Zaizen
   • A. Nakagawara
   • K. Ikeda

   Original Papers Pages: 93 - 97

3. Influence of the carboxylesterase inhibitor bis-p-nitrophenylphosphate on the rates of hydrolysis of various α-esters of 1-(N-methyl-N-nitrosamino)-methanol in vitro and in vivo and on the acute toxicity and carcinogenicity of 1-(N-methyl-N-nitrosamino)-methylacetate

   • N. Frank
   • R. Caesar
   • M. Wiessler

   Original Papers Pages: 98 - 102

4. Quantitative analysis of the early changes of hepatocyte nuclei after treating Syrian golden hamsters with Di(2-ethylhexyl)phthalate

   • Dymitr Komitowski
   • Peter Schmezer
   • Shuhei Muto

   Original Papers Pages: 103 - 107

5. Carcinogenicity of small doses of inhaled N-nitrosoacetoxymethyl-N-methylamine in Syrian golden hamsters

   • R. G. Klein
   • P. Schmezer
   • D. Komitowski

   Original Papers Pages: 108 - 109

6. Studies on the mammary tumor-inhibiting effects of diethylstilbestrol and its mono- and diphosphate

   • Martin R. Schneider
   • Erwin von Angerer
   • Wolfgang P. Brade

   Original Papers Pages: 110 - 114

7. Use of diethyldithiocarbamate as a probe to detect stable intermediates during the decomposition of several mutagenic and nonmutagenic N-nitroso compounds

   • M. Wiessler
   • A. M. Tacchi
   • B. Bertram

   Original Papers Pages: 115 - 122

8. Determination of DNA single strand breaks and selective DNA amplification by N-nitrodimethylamine and analogs, and estimation of the indicator cells' metabolic capacities

   • E. Frei
   • B. L. Pool
   • M. Wiessler

   Original Papers Pages: 123 - 128

9. Comparative carcinogenicity of ring-halogenated 3-methyl-1-phenyltriazenes and their 3,3-dimethyl analogs at equimolar dose levels in male Sprague-Dawley rats

   • Martin R. Berger
   • George F. Kolar

   Original Papers Pages: 129 - 132

10. Carcinogenic effect of cisplatin (cis-diammine-dichloroplatinum (II), CDDP) in BD IX rats

    • S. R. Kempf
    • S. Ivankovic

    Original Papers Pages: 133 - 136

11. Overadditive synergism between the intercalators mitoxantrone and lucanthone in advanced L 1210 and P 388 leukemia

    • H. Osswald
    • M. Youssef

    Original Papers Pages: 137 - 140

12. Urinary polyamine excretion by tumor-bearing and tumor-free mice exposed to cyclophosphamide, 5-fluorouracil and 6-mercaptopurine

    • Hans Osswald
    • Richard Herrmann
    • Werner Kunz

    Original Papers Pages: 141 - 148

13. Biological activity of N-nitrosodiethanolamine and of potential metabolites which may arise after activation by alcohol dehydrogenase in Salmonella typhimurium, in mammalian cells, and in vivo

    • E. Denkel
    • B. L. Pool
    • G. Eisenbrand

    Original Papers Pages: 149 - 153

14. New derivatives of CNC-amino acids and -oligopeptides: Experimental antitumor activity

    • W. J. Zeller

    Original Papers Pages: 154 - 156

15. Different autochthonous models of colorectal cancer in the rat

    • H. Amberger

    Original Papers Pages: 157 - 159

16. Inhibition of Lewis lung tumor growth and metastasis by Ehrlich ascites tumor growing in the same host

    • J. C. Himmele
    • B. Rabenhorst
    • D. Werner

    Original Papers Pages: 160 - 165

17. Antitumor activity of imidazolium-bisimidazole-tetrachlororuthenate (III)

    • B. K. Keppler
    • W. Rupp

    Short Communication Pages: 166 - 168

18. Application of a subcellular membrane-antibody binding assay for the analysis of antigen expression in human tumours

    • M. R. Price
    • S. Edwards
    • R. W. Baldwin

    Short Communication Pages: 169 - 172

19. Induction of sertoli cell tumors in the rat ovary by N-alkyl-N-nitrosoureas

    • Akihiko Maekawa
    • Hiroshi Onodera
    • Yuzo Hayashi

    Short Communication Pages: 173 - 176