1. Host cells of Toxoplasma gondii encystation in infected primary culture from mouse brain

   • Hans-Georg Fischer
   • Bernd Nitzgen
   • Ulrich Hadding

   ORIGINAL PAPER Pages: 637 - 641

2. Effects of diet on the lipid composition of Echinostomacaproni (Trematoda) in ICR mice

   • Betsy A. Frazer
   • Aditya Reddy
   • Joseph Sherma

   ORIGINAL PAPER Pages: 642 - 645

3. Use of random amplified polymorphic DNA-polymerase chain reaction for the definition of genetic markers for species and strains of porcine Oesophagostomum

   • A. Joachim
   • A. Daugschies
   • P. Nansen

   ORIGINAL PAPER Pages: 646 - 654

4. Strongyloides stercoralis: identification of antigens in natural human infections from endemic areas of the United States

   • Afzal A. Siddiqui
   • Nora M. Koenig
   • Steven L. Berk

   ORIGINAL PAPER Pages: 655 - 658

5. Cyst formation by Toxoplasma gondii in vivo and in brain-cell culture: a comparative morphology and immunocytochemistry study

   • Monika Sahm
   • Hans-Georg Fischer
   • Hanns Martin Seitz

   ORIGINAL PAPER Pages: 659 - 665

6. Experimental infection of Ranapipiens tadpoles with Echinostomatrivolvis cercariae

   • Bernard Fried
   • Patricia L. Pane
   • Aditya Reddy

   ORIGINAL PAPER Pages: 666 - 669

7. Evidence for the existence of genetically distinct strains of Enterocytozoon bieneusi

   • H. Rinder
   • S. Katzwinkel-Wladarsch
   • T. Löscher

   ORIGINAL PAPER Pages: 670 - 672

8. In vitro inhibition of liver forms of the rodent malaria parasite Plasmodium berghei by naphthylisoquinoline alkaloids – structure-activity relationships of dioncophyllines A and C and ancistrocladine

   • Guido François
   • Georges Timperman
   • Gerhard Bringmann

   ORIGINAL PAPER Pages: 673 - 679

9. Humoral and cellular immune responses to experimental Fasciola hepatica infections in goats

   • A. Martínez-Moreno
   • F. J. Martínez-Moreno
   • S. Hernández

   ORIGINAL PAPER Pages: 680 - 686

10. Enzymatic basis for the lack of oxamniquine activity in Schistosoma haematobium infections

    • L. Pica-Mattoccia
    • A. Novi
    • D. Cioli

    ORIGINAL PAPER Pages: 687 - 689

11. Immune response and protection in mice inoculated with Leishmania amazonensis clones expressing different degrees of virulence

    • André Luis Soares da Fonseca
    • Adriana Lima Vallochi
    • Glória M. Collet Araujo Lima

    ORIGINAL PAPER Pages: 690 - 697

12. Surface charge and surface carbohydrates of cryptobia salmositica virulent and avirulent forms and of C. bullocki (Kinetoplastida: Cryptobiidae)

    • Rossiane C. Vommaro
    • Ma´rcia Attias
    • Wanderley De Souza

    ORIGINAL PAPER Pages: 698 - 705

13. Experimental infection of nude mice as a model for Sarcocystisneurona-associated encephalitis

    • Antoinette E. Marsh
    • Bradd C. Barr
    • Patricia A. Conrad

    ORIGINAL PAPER Pages: 706 - 711

14. Comparative reproduction of Cryptosporidium baileyi in embryonated eggs and in chickens

    • E. Wunderlin
    • P. Wild
    • J. Eckert

    ORIGINAL PAPER Pages: 712 - 715

15. First isolation and characterization in humans of Entamoeba histolytica (laboratory-made) zymodeme XX

    • Simonetta Gatti
    • Claudia Cevini
    • Massimo Scaglia

    ORIGINAL PAPER Pages: 716 - 718

16. A new method for isolation and differentiation of native Entamoeba histolytica and E. dispar cysts from fecal samples

    • B. Walderich
    • L. Müller
    • G. D. Burchard

    ORIGINAL PAPER Pages: 719 - 721

17. Therapeutic and prophylactic efficacy of the Ivomec SR Bolus against nematodes and Psoroptes ovis in cattle weighing more than 300 kg at the time of treatment

    • Steffen Rehbein
    • Simon R. Pitt
    • Jane S. Eagleson

    ORIGINAL PAPER Pages: 722 - 726

18. Reduced egg counts in mixed infections with Oestrus ovis and Haemonchus contortus : influence of eosinophils?

    • P. Dorchies
    • J. P. Bergeaud
    • S. Morand

    SHORT COMMUNICATION Pages: 727 - 730

19. Observations on the surface coat of Blastocystishominis

    • Viqar Zaman
    • Josephine Howe
    • M. Ng

    SHORT COMMUNICATION Pages: 731 - 733

20. Long-term cultivation of Plasmodium falciparum in media with commercial non-serum supplements

    • Maria Vega C. Flores
    • Simone Marie Berger-Eiszele
    • Thomas Stanley Stewart

    SHORT COMMUNICATION Pages: 734 - 736

21. Ultrastructural effects of nicarbazin on Eimeria tenella in chicks

    • S. J. Ball
    • R. M. Pittilo
    • P. L. Long

    SHORT COMMUNICATION Pages: 737 - 739

22. Electron-microscopy observations on an intracellular mastigophoran in the gills of crucian carp, Carassius carassius

    • S. J. Ball
    • R. M. Pittilo

    SHORT COMMUNICATION Pages: 740 - 742