1. Ultrastructural changes in the respiratory tract of rats following methyl isocyanate inhalation

   • D. Dinsdale
   • B. Nemery
   • S. Sparrow

   Original Investigations Pages: 385 - 390

2. Concentration-dependent respiratory response of guinea pigs to paraquat aerosol

   • Heather Burleigh-Flayer
   • Yves Alarie

   Original Investigations Pages: 391 - 396

3. Differential effects of gamma-hexachlorocyclohexane (lindane) on pharmacologically-induced seizures

   • Bruce E. Fishman
   • Gerald Gianutsos

   Original Investigations Pages: 397 - 401

4. Petroleum hydrocarbon toxicity in vitro: effect of n-alkanes, benzene and toluene on pulmonary alveolar macrophages and lysosomal enzymes of the lung

   • Suleiman A. Suleiman

   Original Investigations Pages: 402 - 407

5. Silver affects viability and structure of cultured mouse peritoneal macrophages and peroxidative capacity of whole mouse liver

   • Jørgen Rungby
   • Per Hultman
   • Svend Ellermann-Eriksen

   Original Investigations Pages: 408 - 412

6. Thallium(I) secretion across the isolated mucosa of rat descending colon

   • Siegfried G. Schäfer
   • Wolfgang Forth

   Original Investigations Pages: 413 - 420

7. In vitro impairment of human granulocyte functions by lead

   • Mario Governa
   • Matteo Valentino
   • Isabella Visonà

   Original Investigations Pages: 421 - 425

8. Effect of long-term administration of manganese on biogenic amine levels in discrete striatal regions of rat brain

   • Håkan Eriksson
   • Sverker Lenngren
   • Edith Heilbronn

   Original Investigations Pages: 426 - 431

9. Relationship between ceruloplasmin and Cu status involving metallothionein induced by several heavy metals in the mouse

   • Naoki Sugawara
   • Chieko Sugawara

   Original Investigations Pages: 432 - 436

10. Cadmium, zinc and copper relationships in kidney and liver of humans exposed to environmental cadmium

    • Ryumon Honda
    • Kôji Nogawa

    Original Investigations Pages: 437 - 442

11. Teratogenicity of ionic cadmium in the Wistar rat

    • D. Holt
    • M. Webb

    Original Investigations Pages: 443 - 447

12. Alterations in crypt cell populations in the small intestine as an early toxic response to sub-acute ethanol administration

    • A. B. G. Lansdown
    • A. D. Dayan

    Original Investigations Pages: 448 - 452

13. DDT and its metabolites in leiomyomatous and normal human uterine tissue

    • S. P. Saxena
    • C. Khare
    • J. Chandra

    Short Communication Pages: 453 - 455

14. Homologous oxypiperidines as inhibitors of protein synthesis in vitro and ex vivo

    • Dmitrij A. Kuznetsov
    • Nikolay V. Zavijalov
    • Alexandre V. Govorkov

    Letter to the Editors Pages: 456 - 457

15. Acknowledgement to referees

    Acknowledgments Pages: 458 - 458

16. Announcements

    Announcement Pages: 459 - 459

17. Meeting announcements

    Announcement Pages: 460 - 460