1. Cancer chemoprevention

   • A. Clark Griffin

   Guest Editorial Pages: 1 - 7

2. Relationship between ornithine decarboxylase-inducing activity and configuration at C-4 in phorbol ester derivatives

   • H. Fujiki
   • M. Mori
   • K. Koshimizu

   Original Papers Pages: 9 - 13

3. Circulatory and metabolic responses of malignant tumors during localized hyperthermia

   • P. Vaupel
   • K. Ostheimer
   • W. Müller-Klieser

   Original Papers Pages: 15 - 29

4. Haemopoiesis and immune status during BNU-induced leukaemogenesis in mice

   • H. J. Seidel

   Original Papers Pages: 31 - 39

5. Effects of ribavirin on the development of the Friend leukemia

   • U. Opitz
   • H. J. Seidel
   • G. Streissle

   Original Papers Pages: 41 - 50

6. The in vivo cytostatic effect induced by Propionibacterium granulosum on murine tumor cells

   • P. Janik
   • W. Roszkowski
   • J. Jeljaszewicz

   Original Papers Pages: 51 - 58

7. The effect of nerve growth factor and antibodies to nerve growth factor on ethylnitrosourea carcinogenesis in mice

   • Stanley A. Vinores
   • J. Regino Perez-Polo

   Original Papers Pages: 59 - 63

8. Ovary tumors in NMRI mice subjected to fractionated X-irradiation during fetal development

   • W. Schmahl
   • H. Kriegel

   Original Papers Pages: 65 - 74

9. Morphology and sex-dependent manifestation of nasal tumors in B6C3F1 mice after chronic inhalation of 1,2-dibromo-3-chloropropane

   • G. Reznik
   • B. Ulland
   • J. M. Ward

   Original Papers Pages: 75 - 83

10. Mechanism of cytotoxicity of 5-fluorouracil: Distinction between the irreversible cytotoxic effect of 5-fluorouridine and the reversible cytotoxic effect of 5-fluoro-2′-deoxyuridine on murine lymphoma L5178Y cells in culture

    • F. Kanzawa
    • A. Hoshi
    • K. Kuretani

    Original Papers Pages: 85 - 90

11. A micromethod for determination of terminal deoxynucleotidyl transferase (TdT) in the diagnostic evaluation of acute leukemias

    • M. J. Modak
    • R. Mertelsmann
    • R. A. Good

    Original Papers Pages: 91 - 104

12. Dose-dependent effect of trichloropropene oxide on benzo[a]pyrene carcinogenesis

    • M. Kodama
    • Y. Ioki
    • C. Nagata

    Short Communications Pages: 105 - 107