1. Occupational cancer prevention

   • Harri Vainio

   Guest Editorial Pages: 403 - 412

2. Antiretroviral activity in a marine red alga: reverse transcriptase inhibition by an aqueous extract of Schizymenia pacifica

   • H. Nakashima
   • Y. Kido
   • N. Yamamoto

   Original Papers Pages: 413 - 416

3. Myosin isoform expression in rat rhabdomyosarcoma induced by Moloney murine sarcoma virus

   • G. Azzarello
   • S. Sartore
   • S. Schiaffino

   Original Papers Pages: 417 - 429

4. Decrease in glucokinase and glucose-6-phosphatase and increase in hexokinase in putative preneoplastic lesions of rat liver

   • Gösta Fischer
   • Ilka Ruschenburg
   • Norbert Katz

   Original Papers Pages: 430 - 436

5. Therapeutic ratio of mono or combination bacterial lipopolysaccharide therapy in methylnitrosourea — induced rat mammary carcinoma

   • M. R. Berger
   • E. Petru
   • D. Schmähl

   Original Papers Pages: 437 - 445

6. Efficacy of β-diketonato complexes of titanium, zirconium, and hafnium against chemically induced autochthonous colonic tumors in rats

   • H. Bischoff
   • M. R. Berger
   • D. Schmähl

   Original Papers Pages: 446 - 450

7. Kinetic and survival response of the M14 cell line to lonidamine associated with adriamycin or hyperthermia

   • G. Starace
   • G. Badaracco
   • G. Zupi

   Original Papers Pages: 451 - 458

8. Comparison of the effects of three different treatment regimens of recombinant interferons (r-IFN α, r-IFN γ, and r-IFN α +cimetidine) in disseminated malignant melanoma

   • A. Steiner
   • Ch. Wolf
   • H. Pehamberger

   Original Papers Pages: 459 - 465

9. Hepatocellular carcinoma and hepatitis B virus infection: molecular evidence for monoclonal origin and expansion of malignantly transformed hepatocytes

   • H. E. Blum
   • W. -B. offensperger
   • W. Gerok

   Original Papers Pages: 466 - 472

10. TNM stage, immunohistology, syntactic structure analysis and survival in patients with small cell anaplastic carcinoma of the lung

    • K. Kayser
    • M. Fitzer
    • P. Drings

    Original Papers Pages: 473 - 480

11. Nipple involvement and multicentricity in breast cancer

    • Jutta Lüttges
    • H. Kalbfleisch
    • P. Prinz

    Original Papers Pages: 481 - 487

12. Possible adverse effect of failed adjuvant chemotherapy on the prognosis of women receiving consecutive chemotherapy for recurrent breast cancer

    • Christian Dittrich
    • Raimund Jakesz
    • Kurt Moser

    Original Papers Pages: 488 - 494

13. Plasma cell leukemia with an unusual karyotype and prolonged survival following oral alkylating agent therapy

    • P. H. Wiernik
    • D. Sciortino
    • M. Roberts

    Original Papers Pages: 495 - 497

14. Natural cytotoxic cells from rat liver and spleen kill human glioma cells

    • Margarete Malter
    • R. Süss
    • H. Fischer

    Rapid Communication Pages: 498 - 501