1. Experimental study on respiratory sensitivity to inhaled toluene diisocyanate

   • Jun Huang
   • Kohji Aoyama
   • Atsushi Ueda

   Original Investigations Pages: 373 - 378

2. In vitro cytochrome P450 monooxygenase and prostaglandin H-synthase mediated aflatoxin B₁ biotransformation in guinea pig tissues: Effects of β-naphthoflavone treatment

   • Ling Liu
   • Kanji Nakatsu
   • Thomas E. Massey

   Original Investigations Pages: 379 - 385

3. Late preventive effects of quinacrine on carbon tetrachloride induced liver necrosis

   • A. González Padrón
   • E. G. D. de Toranzo
   • J. A. Castro

   Original Investigations Pages: 386 - 391

4. Effect of antimitotic agent colchicine on carbon tetrachloride toxicity

   • Vaman C. Rao
   • Harihara M. Mehendale

   Original Investigations Pages: 392 - 400

5. Mechanism for the changes in levels of glutathione upon exposure of cultured mammalian cells to tertiary-butylhydroperoxide and diamide

   • Takafumi Ochi

   Original Investigations Pages: 401 - 410

6. Chondrotoxicity of quinolones in vivo and in vitro

   • H. Hildebrand
   • G. Kempka
   • M. Schmidt

   Original Investigations Pages: 411 - 415

7. Effect of some metallic cations and organic compounds on theO-hexylO-2,5-dichlorophenyl phosphoramidate hydrolysing activity in hen plasma

   • M. A. Sogorb
   • N. Díaz-Alejo
   • V. Carrera

   Original Investigations Pages: 416 - 421

8. Mercuric chloride-induced alterations of levels of noradrenaline, dopamine, serotonin and acetylcholine esterase activity in different regions of rat brain during postnatal development

   • Madepalli K. Lakshmana
   • Turaga Desiraju
   • Trichur R. Raju

   Original Investigations Pages: 422 - 427

9. Acute effects of the heavy metal antidotes DMPS and DMSA on circulation, respiration, and blood homoeostasis in dogs

   • R. Klimmek
   • C. Krettek
   • H. W. Werner

   Original Investigations Pages: 428 - 434

10. Effect of exposure to 2,5-hexanediol in light or darkness on the retina of albino and pigmented rats. II. Electrophysiology

    • Per Nylén
    • Brigitta Bäckström
    • Gunnar Höglund

    Original Investigations Pages: 435 - 441

11. Effect of exposure to 2,5-hexanediol in light or darkness on the retina of albino and pigmented rats. I. Morphology

    • Birgitta Bäckström
    • Per Nylén
    • V. Peter Collins

    Erratum Pages: 442 - 443

12. Meeting announcement

    Announcement Pages: 444 - 444