1. Epidemiology of malignant bone tumours

   • G. Ott
   • G. Wagner

   Editorial Pages: 231 - 243

2. Tumorigenic effect of 4-methylphenylhydrazine hydrochloride in Swiss mice

   • B. Toth
   • A. Tompa
   • K. Patil

   Original Papers Pages: 245 - 252

3. Comparative pathologic classification of malignant lymphomas

   • G. R. F. Krueger

   Original Papers Pages: 253 - 272

4. Phenotypic properties of neoplastic cell lines developed from fetal rat brain cells in culture after exposure to ethylnitrosourea in vivo

   • O. D. Laerum
   • M. F. Rajewsky
   • Å. Haugen

   Original Papers Pages: 273 - 295

5. Hodgkin's disease in Medellin, Colombia

   • V. Bedoya

   Original Papers Pages: 297 - 310

6. Combination chemotherapy with 1-methyl-1-nitrosourea (MNU) and cyclophosphamide in solid tumors

   • K. Kolarić

   Original Papers Pages: 311 - 319

7. On the function of hormone receptors in the action of steroidal alkylating agents

   • G. Trams
   • M. v. Urban

   Original Papers Pages: 321 - 330

8. Transplacentare neuroonkogene Wirkung von Äthylnitrosoharnstoff beim Kaninchen während der frühen Graviditätsphase

   • D. Stavrou
   • E. Dahme
   • Brigitte Schröder

   Originalarbeiten Pages: 331 - 339