1. Tumor cells do not arise frequently

   • Willem Den Otter

   Review Pages: 159 - 162

2. Autologous tumor killing and natural cytotoxic activity of tumor-associated macrophages in cancer patients

   • Etsuro Yanagawa
   • Atsushi Uchida
   • Michael Micksche

   Original Articles Pages: 163 - 167

3. Regulation of leukocyte glass adherence and tube leukocyte adherence inhibition (LAI) reactivity by serum factors in dogs with progressing or spontaneously regressing canine transmissible venereal sarcoma (CTVS)

   • Matthew W. Harding
   • Tsu-Ju (Thomas) Yang

   Original Articles Pages: 168 - 176

4. Time course localization of immunoglobulin M monoclonal antibody and its fragments in leukemic tumor-bearing mice

   • Thierry Maillet
   • Annie-Claude Roche
   • Michel Monsigny

   Original Articles Pages: 177 - 182

5. Evaluation of in vivo and in vitro effectivity of immune defense against a spontaneously arising, nonlymphoid rat tumor

   • Margot Zöller

   Original Articles Pages: 183 - 188

6. Evaluation of in vivo and in vitro effectivity of immune defense against a spontaneously arising, nonlymphoid rat tumor

   • Margot Zöller

   Original Articles Pages: 189 - 197

7. Effect of a thymic factor, thymostimulin, on growth and pulmonary metastases of Lewis lung carcinoma

   • Masato Yagi
   • Takashi Yamashita
   • Eiro Tsubura

   Original Articles Pages: 198 - 204

8. Muramyl dipeptide analogues as potentiators of the antitumor action of endotoxin

   • Nanne Bloksma
   • Frans M. A. Hofhuis
   • Jan M. N. Willers

   Original Articles Pages: 205 - 210

9. Conjugation of methotrexate to IgG antibodies and their F(ab)₂ fragments and the effect of conjugated methotrexate on tumor growth in vivo

   • Padmaja N. Kulkarni
   • A. Huntley Blair
   • Molly Mammen

   Original Articles Pages: 211 - 214

10. Suppression of generation of concomitant antitumor immunity by passively transferred suppressor T cells from tumor-bearing donors

    • Isia Bursuker
    • Robert J. North

    Original Articles Pages: 215 - 218

11. DR antigens expressed on tumor cells do not contribute to the blastogenetic response of autologous T cells

    • Farkas Vánky
    • Eva Klein
    • Jan Willems

    Original Articles Pages: 219 - 225

12. Secretory component in breast cancer

    • Judy E. Stern
    • Brian J. Underdown
    • Charles R. Wira

    Original Articles Pages: 226 - 230

13. Cytotoxicity of monoclonal antibodies against individually immunophenotyped human leukemic cells

    • M. Beksac
    • A. Porwit-Ksiazek
    • P. Reizenstein

    Original Articles Pages: 231 - 236