1. Neoplastic and nonneoplastic lesions in aging female rats with special reference to the functional morphology of the hyperplastic and neoplastic changes in the pituitary gland

   • M. A. Attia

   Original Investigations Pages: 77 - 83

2. DNA-binding assay of methyl chloride

   • H. Peter
   • R. J. Laib
   • H. M. Bolt

   Original Investigations Pages: 84 - 87

3. Structure-acute toxicity relationship of dinitriles in mice

   • Hideji Tanii
   • Kazuo Hashimoto

   Original Investigations Pages: 88 - 93

4. Percutaneous absorption of [¹⁴C]methacrylamide in animals

   • Kazuo Hashimoto
   • Hideji Tanii

   Original Investigations Pages: 94 - 98

5. Formation, toxicity and inactivation of acrolein during biotransformation of cyclophosphamide as studied in freshly isolated cells from rat liver and kidney

   • Yasuo Ohno
   • Kari Ormstad

   Original Investigations Pages: 99 - 103

6. Effects of acute or chronic polychlorinated biphenyl ingestion on maternal metabolic homeostasis and on the manifestations of embryotoxicity caused by cyclophosphamide in mice

   • Frank Welsch

   Original Investigations Pages: 104 - 113

7. Enhancement of radiation effects by mercury in preimplantation mouse embryos in vitro

   • Wolfgang-Ulrich Müller
   • Christian Streffer
   • Christine Fischer-Lahdo

   Original Investigations Pages: 114 - 118

8. Reduction and binding of arsenate in marmoset monkeys

   • Marie Vahter
   • Erminio Marafante

   Original Investigations Pages: 119 - 124

9. Study of inorganic arsenic methylation by rat liver in vitro: relevance for the interpretation of observations in man

   • J. P. Buchet
   • R. Lauwerys

   Original Investigations Pages: 125 - 129

10. Differential serum protein binding of benzidine- and benzidine-congener based dyes and their derivatives

    • Merrill Emmett
    • Car E. Cerniglia
    • Alfred J. Crowle

    Original Investigations Pages: 130 - 135

11. Metabolism and mutagenicity of aromatic amines by human fetal liver

    • Tore Aune
    • Aage Haugen
    • Erik Dybing

    Short Communication Pages: 136 - 138

12. The octanol/water distribution of mercury compounds

    • Stefan Halbach

    Short Communication Pages: 139 - 141

13. Dimethoate-induced toxic cardiac failure in the guinea pig

    • György Marosi
    • János Iván
    • Anna Tószegi

    Short Communication Pages: 142 - 143

14. Parathion-provoked lethality in rats is reduced by diethyldithiocarbamate

    • Jürgen Homann
    • Sabine Schneider
    • Karl-John Matthes

    Letter to the Editors Pages: 144 - 145

15. Meeting announcements

    Announcement Pages: 146 - 146