1. Effects of polychlorinated terphenyls and paraffins on rat liver microsomal cytochrome P-450 and in vitro metabolic activities

   • Odd G. Nilsen
   • Rune Toftgård

   Original Investigations Pages: 1 - 11

2. Effect of phenobarbital pretreatment on benzene biotransformation in the rat

   • I. Gut
   • K. Hátle
   • L. Žižková

   Original Investigations Pages: 13 - 24

3. Cysts in rabbit foetal brains

   • H. F. P. Joosten
   • A. Hoekstra
   • T. D. Yih

   Original Investigations Pages: 25 - 37

4. Biotransformation of 4-dimethylaminophenol in man

   • Paul Jancso
   • Ladislaus Szinicz
   • Peter Eyer

   Original Investigations Pages: 39 - 45

5. Absorption of hexavalent chromium by skin in man

   • Bożena Baranowska-Dutkiewicz

   Original Investigations Pages: 47 - 50

6. Identification and determination of 2-thiothiazolidine-4-carboxylic acid in urine of workers exposed to carbon disulfide

   • R. van Doorn
   • L. P. C. Delbressine
   • P. Th. Henderson

   Original Investigations Pages: 51 - 58

7. Late aortic rupture after lye ingestion

   • Anders Ottosson

   Short Communication Pages: 59 - 62

8. Bioavailability of cadmium in rats fed various diets

   • Ivan Rabar
   • Krista Kostial

   Short Communication Pages: 63 - 66

9. Relationship between lead concentration in blood and the activities of erythrocyte pyrimidine 5′-nucleotidase and delta-aminolevulinate dehydratase in the mice exposed to lead

   • Katsumaro Tomokuni
   • Masana Ogata

   Short Communication Pages: 67 - 69

10. Formation of pre-neoplastic hepatocellular foci by vinyl fluoride in newborn rats

    • Hermann M. Bolt
    • Reinhold J. Laib
    • Karl-Peter Klein

    Letter to the Editors Pages: 71 - 73

11. Erratum

    • R. D. Verschoyle
    • W. N. Aldridge

    Erratum Pages: 75 - 75

12. Meeting announcement

    Announcement Pages: 76 - 76