1. Epidemiologic investigations

   • N. Mantel

   Guest Editorial Pages: 113 - 116

2. The effect of attenuated vaccinia virus AS strain on N-methyl-N′-nitro-N-nitrosoguanidine-induced gastric cancer in rats

   • S. Arakawa
   • K. Fukai

   Original Papers Pages: 117 - 126

3. The correlation between tissue differentiation and production of mammary tumor virus (MTV) in transplanted murine mammary tumors

   • Chr. Schöpper
   • E. Fasske
   • H. Themann

   Original Papers Pages: 127 - 133

4. The arrest of circulating tumor cells in the liver microcirculation

   • U. Bagge
   • G. Skolnik
   • L. E. Ericson

   Original Papers Pages: 134 - 140

5. Promoting effect of polychlorinated biphenyls on development of enzyme-altered islands in livers of weanling and adult rats

   • D. Oesterle
   • E. Deml

   Original Papers Pages: 141 - 147

6. Development and cell kinetics of colonic tumors induced in mice by dimethylhydrazine

   • T. Hattori
   • B. Helpap
   • P. Gedigk

   Original Papers Pages: 148 - 157

7. The haematogenous spread of tumor: A prevental process

   • R. Stein-Werblowsky

   Original Papers Pages: 158 - 161

8. Phase II trial of aclacinomycin A in acute leukemia and various solid tumors

   • J. Schütte
   • N. Niederle
   • S. Seeber

   Original Papers Pages: 162 - 165

9. Characterization of lymphoid cells by two-dimensional mini gel electrophoresis of proteins

   • F. W. Hirsch
   • C. Bröckl
   • G. Dölken

   Original Papers Pages: 166 - 172

10. The consequences of chronic arsenic poisoning among moselle wine growers

    • H. Lüchtrath

    Original Papers Pages: 173 - 182

11. Lung cancer mortality of workers employed in chromate pigment factories

    • R. Frentzel-Beyme

    Original Papers Pages: 183 - 188

12. Inhibition of hyaluronidase by dextransulfate and its possible application in anticancer treatment

    • Karin Zimmermann
    • Gundula Preinl
    • Karl-Otto Greulich

    Short Communications Pages: 189 - 190

13. Carcinogenicity of di(N-nitroso)perhydropyrimidine (DNPP) after repeated low-dose intraperitoneal administration to rats

    • M. Habs
    • H. Habs
    • B. Bertram

    Short Communications Pages: 191 - 193

14. Induction of tumors of the forestomach in rats by oral application of N-methyl-N′-nitro-nitrosoguanidine

    • G. Eichler
    • M. Habs
    • D. Schmähl

    Short Communications Pages: 194 - 196

15. Histological grading and clinical staging of plasmacytoma

    • H. Große Hokamp
    • E. Grundmann

    Short Communications Pages: 197 - 198

16. The growth of publications on monoclonal antibodies 1975–1981

    • R. -P. Kraft
    • Gao Chang-Lie
    • W. Clauss

    Letter to the Editor Pages: 199 - 201

17. Abstracts

    Abstract Pages: A1 - A49