1. Allometric Models for Interspecies Extrapolation of Wildlife Toxicity Data

   • B. E. Sample
   • C. A. Arenal

   Pages: 653 - 663

2. Effects of Perinatal Exposure to Polychlorinated Biphenyls on Development of Female Sexual Behavior

   • Y.-W. Chung
   • L. G. Clemens

   Pages: 664 - 670

3. Endosulfan Residues in Brazilian Tomatoes and Their Impact on Public Health and the Environment

   • A. C. P. Araújo
   • D. L. Telles
   • L. L. A. Lima

   Pages: 671 - 676

4. Comparison of Gas Chromatographic and Ion Selective Electrode Methods for Measuring Fluoride in Urine

   • H.-W. Kuo
   • W. G. Chang
   • J. S. Lai

   Pages: 677 - 684

5. Comparison of Organochlorine Pesticide Levels in Adipose Tissue and Human Milk of Mothers Living in Veracruz, Mexico

   • S. M. Waliszewski
   • A. A. Aguirre
   • J. Rivera

   Pages: 685 - 690

6. Copper, Zinc, Cadmium, and Lead in Sheep Grazing in North Greece

   • N. Zantopoulos
   • V. Antoniou
   • E. Nikolaidis

   Pages: 691 - 699

7. Trace Elements in Soil and Coniferous Needles

   • M. Blanuša
   • Lj. Prester
   • A. Kučak

   Pages: 700 - 707

8. Three Digestion Methods to Determine Concentrations of Cu, Zn, Cd, Ni, Pb, Cr, Mn, and Fe in Mangrove Sediments from Sai Keng, Chek Keng, and Sha Tau Kok, Hong Kong

   • N. F. Y. Tam
   • M. W. Y. Yao

   Pages: 708 - 716

9. Multiresidue Determination of Fungicides in Wine

   • M. A. García
   • M. J. Melgar
   • M. I. Fernández

   Pages: 717 - 722

10. Estrogenic Effects of Organic Environmental Extracts with the Trout Hepatocyte Vitellogenin Assay

    • F. Gagné
    • M. Pardos
    • C. Blaise

    Pages: 723 - 730

11. Recovery of Acetylcholinesterase Activity in the Common Carp (Cyprinus carpio L.) After Inhibition by Organophosphate and Carbamate Compounds

    • K. Dembélé
    • E. Haubruge
    • Ch. Gaspar

    Pages: 731 - 742

12. Influence of Naphthalene on Esterase Activity During Vitellogenesis of Marine Edible Crab, Scylla serrata

    • M. Elumalai
    • M. P. Balasubramanian

    Pages: 743 - 748

13. Toxicity of Metals and Pesticides Using the Sperm Cell Bioassay with the Sea Urchin Arbacia spatuligera

    • A. Larrain
    • A. Riveros
    • E. Bay-Schmith

    Pages: 749 - 757

14. Cadmium-Inducible Metallothionein in Tilapia (Oreochromis mossambicus)

    • S. M. Wu
    • C. F. Weng
    • P. P. Hwang

    Pages: 758 - 768

15. Combined Effects of Chlorella Density and Methyl Parathion Concentration on the Population Growth of Brachionus calyciflorus (Rotifera)

    • J. L. Gama Flores
    • S. S. S. Sarma
    • M. A. Fernández Araiza

    Pages: 769 - 775

16. Oxygen Production Rate as a Test for Determining Toxicity of Copper to Rhodomonas salina Hill and Wehterbee (Cryptophyceae)

    • I. Moreno Garrido
    • L. M. Lubián
    • A. M. V. M. Soares

    Pages: 776 - 782