1. Malignant tumors after chronic exposure to vinyl chloride

   • K. H. Emmerich
   • K. Norpoth

   Guest Editorial Pages: 1 - 11

2. Skin tumors induced by painting nitrosoalkylureas on mouse skin

   • W. Lijinsky
   • C. Winter

   Original Papers Pages: 13 - 20

3. Cytokinetic behavior of Ehrlich ascites tumor after in vivo treatment with cis-diamminedichloroplatinum(II) and metallocene dichlorides

   • P. Köpf-Maier
   • W. Wagner
   • E. Liss

   Original Papers Pages: 21 - 30

4. Origin of a malignant adenocarcinoma cell line induced by retrovirus-like particles from DMBA rat mammary tumors

   • F. Hölzel
   • S. Sakuma
   • D. Hanke

   Original Papers Pages: 31 - 42

5. Wirkung von Disulfiram auf die Toxizität und Carcinogenität von N-Methyl-N-nitrosobenzylamin bei Ratten

   • F. Schweinsberg
   • V. Bürkle

   Original Papers Pages: 43 - 47

6. Human erythroid cell lines derived from a patient with acute erythremia

   • H. Okano
   • J. Okamura
   • S. Motomura

   Original Papers Pages: 49 - 55

7. Persistence of colchicine resistance in Ehrlich-Lettré ascites tumors and cell strains

   • Ch. Granzow

   Original Papers Pages: 57 - 69

8. Prostaglandin E₂ and cyclic AMP in tumor and plasma of breast cancer patients

   • T. Malachi
   • Ch. Chaimoff
   • I. Halbrecht

   Original Papers Pages: 71 - 79

9. Calcified cerebral necrosis following ALL therapy

   • K. -M. Müller
   • R. Menne
   • H. Gröbe

   Original Papers Pages: 81 - 91

10. Acute monocytic leukemia complicating combined-modality therapy for localized childhood Ewing's sarcoma

    • A. Schmitt-Gräff
    • H. Jürgens
    • F. Borchard

    Short Communications Pages: 93 - 97