1. Conversion of premalignant human cells to tumorigenic cells by methylmethane sulfonate and methylnitronitrosoguanidine

   • George E. Milo
   • Charles F. Shuler
   • Ju-Cheng Chen

   OriginalPaper Pages: 193 - 205

2. Application of alkaline unwinding assay for detection of mutagen-induced DNA strand breaks

   • Mária Dušinská
   • Darina Slameňová

   OriginalPaper Pages: 207 - 216

3. An evaluation of three pesticides: Piritione, supercypermethrin and metolachlor in transformation bioassays of BHK21 and hamster embryo cells

   • Darina Slameňová
   • Mária Dušinská
   • Ctirad Oravec

   OriginalPaper Pages: 217 - 231

4. Attempts to use the HPRT-assay as an automated short-term monitor for an acute exposure to mutagens

   • Anders Johannisson
   • Birgitta Eriksson
   • Gösta Zetterberg

   OriginalPaper Pages: 233 - 253

5. The hen's fertile egg screening test (HEST): A comparison between the acute toxicity for chick embryos and rodents of 20 drugs

   • Hideo Nishigori
   • Masashi Mizumura
   • Motoharu Iwatsuru

   OriginalPaper Pages: 255 - 265

6. Testosterone metabolism in an in vitro skin model

   • Sandra R. Slivka

   OriginalPaper Pages: 267 - 276

7. Cadmium-2-acetylaminofluorene interaction in isolated rat hepatocytes

   • Pierre Moffatt
   • Michel Marion
   • Francine Denizeau

   OriginalPaper Pages: 277 - 290

8. Forthcoming conferences

   Announcement Pages: 296 - 296

9. New books

   Announcement Pages: 297 - 297

10. Announcements

    Announcement Pages: 298 - 298