1. Application of fine-needle aspiration biopsy for the diagnosis of dysplastic and neoplastic liver cell changes induced by N-nitrosomorpholine in rats

   • U. Boelsterli
   • G. Zbinden

   Original Investigations Pages: 225 - 238

2. In vivo cytogenetic screening methods for mutagens, with special reference to the micronucleus test

   • T. Tsuchimoto
   • B. E. Matter

   Original Investigations Pages: 239 - 248

3. Mutagenicity studies

   • Hiroyasu Shimada
   • Katsushi Suzuki
   • Takeshi Akimoto

   Original Investigations Pages: 249 - 258

4. Detection of the carcinogenic nitrofuran derivative VR-6 as a mutagen in the Salmonella/microsome test

   • M. Baumeister
   • L. Lützen

   Original Investigations Pages: 259 - 264

5. Vitamin A (retinol) status in the rat after a single oral dose of 2,3,7,8-tetrachlorodibenzo-p-dioxin

   • Tuula Thunberg
   • Ulf G. Ahlborg
   • Håkan Johnsson

   Original Investigations Pages: 265 - 274

6. Effects of sodium selenite on methylmercury distribution in mice of late gestational period

   • Hiroshi Satoh
   • Tsuguyoshi Suzuki

   Original Investigations Pages: 275 - 279

7. Determination of mixtures of urinary benzoic, 3- and 4-methylbenzoic, and mandelic acids by gas chromatography

   • H. Wieczorek
   • B. Trojanowska
   • W. Dramiński

   Original Investigations Pages: 281 - 287

8. Effect of dithiocarb and dimethyl sulfoxide on irreversible binding of ¹⁴C-bromobenzene to rat liver microsomal protein

   • M. Younes
   • C. -P. Siegers
   • J. G. Filser

   Original Investigations Pages: 289 - 293

9. Some cases of acute intoxications from compulsive use of isoaminile

   • M. Marigo
   • S. D. Ferrara
   • M. Floreani

   Original Investigations Pages: 295 - 301

10. Suizidale Phosphorvergiftung

    • B. Schellmann
    • A. Zober
    • P. Zink

    Original Investigations Pages: 303 - 309

11. Hämoperfusion mit Adsorberharz XAD-4 bei einer extrem schweren Parathion-Vergiftung

    • R. Pentz
    • J. Brunn

    Short Communication Pages: 311 - 315

12. Announcement

    Announcement Pages: 316 - 316