1. Effects of chlorinated paraffins on rat liver microsomal activities and morphology

   • Odd G. Nilsen
   • Rune Toftgård
   • Hans Glaumann

   Original Investigations Pages: 1 - 13

2. Tests for mutagenicity in salmonella and covalent binding to DNA and protein in the rat of the riot control agent o-chlorobenzylidene malononitrile (CS)

   • Albert von Däniken
   • Urs Friederich
   • Christian Schlatter

   Original Investigations Pages: 15 - 27

3. Effects of dioxane on RNA synthesis in the rat liver

   • Rabinder N. Kurl
   • Lorenz Poellinger
   • Jan-Åke Gustafsson

   Original Investigations Pages: 29 - 33

4. Alkylation of guanosine and 4-(p-nitrobenzyl)-pyridine by styrene oxide analogues in vitro

   • Kari Hemminki
   • Tuula Heinonen
   • Harri Vainio

   Original Investigations Pages: 35 - 41

5. Detergent-catalyzed autoxidation of hemoglobin — species differences and implications for methemoglobin analyses

   • Harriet Kruszyna
   • Robert Kruszyna
   • Roger P. Smith

   Original Investigations Pages: 43 - 48

6. Behavioral and neurochemical changes in rats simultaneously exposed to manganese and lead

   • Satya V. Chandra
   • M. Mohd. Ali
   • R. C. Murthy

   Original Investigations Pages: 49 - 56

7. Isolation and identification of mercapturic acids of cinnamic aldehyde and cinnamyl alcohol from urine of female rats

   • L. P. C. Delbressine
   • P. J. M. Klippert
   • F. Seutter-Berlage

   Original Investigations Pages: 57 - 64

8. The effect of testosterone administration on lead induced zincprotoporphyrin in blood concentration in castrated male rabbits

   • A. A. E. Wibowo
   • R. L. Zielhuis

   Original Investigations Pages: 65 - 71

9. Acute poisoning with pine oil — metabolism of monoterpenes —

   • C. Köppel
   • J. Tenczer
   • K. Ibe

   Original Investigations Pages: 73 - 78

10. Morphology of early changes in liver carcinogenesis induced by methapyrilene

    • Hildegard M. Reznik-Schüller
    • William Lijinsky

    Short Communications Pages: 79 - 83

11. Ultrastructural changes in the kidneys of rabbits treated with lead acetate

    • B. J. Spit
    • A. A. E. Wibowo
    • R. L. Zielhuis

    Short Communications Pages: 85 - 91

12. Absence of mutagenic activity and a short-term toxicity study of beet pigments as food colorants

    • Joachim H. von Elbe
    • Steven J. Schwartz

    Short Communications Pages: 93 - 98

13. Referring to the paper by Zbinden and Flury-Roversi

    • J. P. Griffin

    Letter to the Editors Pages: 99 - 103

14. Carboxylesterase inhibition and potentiation of soman toxicity

    • Steven D. Cohen

    Letter to the Editors Pages: 105 - 106