1. The contribution of epidemiology to the study of occupational cancer

   • Ole Møller Jensen
   • Elsebeth Lynge

   Guest Editorial Pages: 257 - 263

2. Clinical implications of current studies in carcinogenesis

   • B. A. J. Ponder

   Guest Editorial Pages: 264 - 273

3. Selection of liver-colonizing tumor cells from a murine fibrosarcoma induced by methylcholanthrene

   • G. Edel
   • E. Grundmann

   Original Papers Pages: 274 - 280

4. Effects of disulfiram on the metabolism of nitrosodiethylamine during liver carcinogenesis

   • D. Hadjiolov
   • N. Frank
   • D. Schmähl

   Original Papers Pages: 281 - 285

5. Aryl hydrocarbon hydroxylase induction levels in patients with malignant tumors associated with smoking

   • Rolf Korsgaard
   • Erik Trell
   • Jörgen Oldbring

   Original Papers Pages: 286 - 289

6. Mutagenicity of α-hydroxy N-nitrosamines in V79 Chinese hamster cells

   • M. Mochizuki
   • M. Osabe
   • M. Okada

   Original Papers Pages: 290 - 295

7. Urinary excretion of frameshift mutagens in rats caused by passive smoking

   • E. Mohtashamipur
   • K. Norpoth
   • M. Heger

   Original Papers Pages: 296 - 301

8. Excretion of modified nucleosides during development of malignant lymphomas in mice after whode body irradiation

   • Jürgen Thomale
   • Arne Luz
   • Gisela Nass

   Original Papers Pages: 302 - 307

9. Carcinogenic activity in mice of diftalone, an anti-inflammatory agent

   • Giuseppe Della Porta
   • Tommaso A. Dragani
   • Donatella Zucconi

   Original Papers Pages: 308 - 311

10. Serum copper in malignant neoplasia with special reference to the cervix uteri

    • Prabir Kishore Chakravarty
    • J. Roy Chowdhury

    Original Papers Pages: 312 - 315

11. Treatment of autochthonous rat colonic adenocarcinomas with a thioether-lysophospholipid derivative in mono-and combinationchemotherapy

    • M. E. Heim
    • M. Swoboda
    • U. Bicker

    Original Papers Pages: 316 - 320

12. Clinical features of nodular paragranuloma (Hodgkin's disease, lymphocyte predominance type, nodular)

    • M. -L. Hansmann
    • T. Zwingers
    • K. Lennert

    Original Papers Pages: 321 - 330

13. Endocrine cells in extrahepatic bile duct carcinoma

    • Masami Yamamoto
    • Isao Takahashi
    • Eiichi Tahara

    Original Papers Pages: 331 - 335

14. Ferricenium complexes: A new type of water-soluble antitumor agent

    • P. Köpf-Maier
    • H. Köpf
    • E. W. Neuse

    Original Papers Pages: 336 - 340

15. Metastatic breast cancer with constantly low CEA blood levels

    • G. Krieger
    • H. -E. Wander
    • G. A. Nagel

    Original Papers Pages: 341 - 344

16. Effects of steroid hormone therapy on primarily xenotransplanted human colorectal adenocarcinomas

    • J. R. Izbicki
    • R. Schmitz
    • H. Troidl

    Original Papers Pages: 345 - 350

17. Hypophosphatemia accompanying blastic crisis in a patient with malignant lymphoma

    • J. Perek
    • M. Mittelman
    • M. Djaldetti

    Original Papers Pages: 351 - 353

18. A phase II study of cis-diamminedichloroplatinum II for advanced breast cancer two dose schedules

    • Silvana Martino
    • Bohumil A. Samal
    • Vainutis K. Vaitkevicius

    Original Papers Pages: 354 - 356

19. Relationship between cellular retinoic acid-binding protein and histology of human lung tumors

    • F. V. Kohl

    Original Papers Pages: 357 - 361

20. Endometrial cancer due to busulfan therapy

    • Muzaffer Aksoy
    • Sakir Erdem
    • Günçağ Dinçol

    Short Communication Pages: 362 - 363

21. Malignant fibrous histiocytomas induced in rats by polymers

    • Akihiko Maekawa
    • Toshiaki Ogiu
    • Yuzo Hayashi

    Short Communication Pages: 364 - 365

22. Aminoacids—Precursors of melanin synthesis in hamster melanoma

    • P. M. Blagoeva

    Short Communication Pages: 366 - 368