1. Ethical principles and guidelines for scientific experiments on animals

   EditorialNotes 15 January 1992 Pages: 1 - 3

2. The German Federal Republic: Annual report for 1990 of the Deutsche Forschungsgemeinschaft (DFG; German Research Association)

   Science policy news 15 January 1992 Pages: 4 - 4

3. Effects of ovariectomy on removal of collagen bundles in the postpartum uterus of the mouse

   • K. Shimizu
   • M. Hokano

   Research Articles 15 January 1992 Pages: 5 - 7

4. An improved thioflavine S method for staining neurofibrillary tangles and senile plaques in Alzheimer's disease

   • R. Guntern
   • C. Bouras
   • P. G. Vallet

   Research Articles 15 January 1992 Pages: 8 - 10

5. Photon emission from normal and tumor human tissues

   • F. Grasso
   • C. Grillo
   • M. Rodolico

   Research Articles 15 January 1992 Pages: 10 - 13

6. Shock induces a long-lasting elevation of blood glucose in Aplysia

   • J. L. Ram
   • E. S. Young

   Research Articles 15 January 1992 Pages: 14 - 18

7. Tissue distribution and substrate specificity of an epoxide hydrase in the gypsy moth, Lymantria dispar

   • S. M. Graham
   • G. D. Prestwich

   Research Articles 15 January 1992 Pages: 19 - 21

8. A study of macromolecular diffusion through native porcine mucus

   • M. A. Desai
   • M. Mutlu
   • P. Vadgama

   Research Articles 15 January 1992 Pages: 22 - 26

9. Displacement activity of some natural cularine alkaloids at striatal³H-SCH 23 390 and³H-raclopride binding sites

   • P. Protais
   • D. Cortes
   • L. Castedo

   Research Articles 15 January 1992 Pages: 27 - 30

10. Flow-induced release of adenosine 5′-triphosphate from endothelial cells of the rat mesenteric arterial bed

    • V. Ralevic
    • P. Milner
    • G. Burnstock

    Research Articles 15 January 1992 Pages: 31 - 34

11. The endothelium-dependent relaxation of human middle cerebral artery: Effects of activated neutrophils

    • S. E. Akopov
    • M. R. Grigorian
    • E. S. Gabrielian

    Research Articles 15 January 1992 Pages: 34 - 36

12. Changes in erythrocyte membrane lipid composition affect the transient decrease in membrane order which accompanies insulin receptor down-regulation

    • M. T. Santini
    • R. Masella
    • S. W. Peterson

    Research Articles 15 January 1992 Pages: 36 - 39

13. Effects of the adenylate cyclase activator forskolin and its inactive derivative 1,9-dideoxyforskolin on insect cytochrome P-450 dependent steroid hydroxylase activity

    • D. P. Keogh
    • M. J. Mitchell
    • S. L. Smith

    Research Articles 15 January 1992 Pages: 39 - 41

14. Ecdysteroid receptors in the neuroendocrine-endocrine axis of a moth

    • H. -J. Bidmon
    • W. E. Stumpf
    • N. A. Granger

    Research Articles 15 January 1992 Pages: 42 - 47

15. Peptide YY enhances NaCl and water absorption in the rat colon in vivo

    • M. Okuno
    • T. Nakanishi
    • S. Tarui

    Research Articles 15 January 1992 Pages: 47 - 50

16. Proopiomelanocortin expression in the skin during induced hair growth in mice

    • A. Slominski
    • R. Paus
    • J. Mazurkiewicz

    Research Articles 15 January 1992 Pages: 50 - 54

17. Oxidative stress in the moderately halophilic bacteriumDeleya halophila: Effect of NaCl concentration

    • P. Mylona
    • P. Katinakis

    Research Articles 15 January 1992 Pages: 54 - 57

18. Lithium and phorbol ester modify the activating capacity of ascidian spermatozoa

    • E. Tosti
    • B. Dale

    Research Articles 15 January 1992 Pages: 57 - 60

19. In vitro stability and protein composition of thick filaments from insect flight muscles

    • C. Ziegler
    • U. Hinterding
    • G. Beinbrech

    Research Articles 15 January 1992 Pages: 60 - 62

20. Multiplication of human-derivedPneumocystis carinii in severe combined immunodeficient (SCID) mice

    • K. K. Sethi

    Research Articles 15 January 1992 Pages: 63 - 67

21. Transfer of T-cell mediated immunity toHymenolepis nana from mother mice to their neonates

    • K. Asano
    • K. Okamoto

    Research Articles 15 January 1992 Pages: 67 - 71

22. Shape change of human blood platelets: Reliable and fast detection by quasi-elastic light scattering

    • E. Spurej
    • O. Glatter
    • G. Pfeiler

    Research Articles 15 January 1992 Pages: 71 - 79

23. Common antigenic properties of a g-type (goose) and a c-type (duck) egg white lysozyme: Antibody responses in rabbits and mice

    • F. Hernmen
    • W. Mahana
    • A. Paraf

    Research Articles 15 January 1992 Pages: 79 - 84

24. Variation in regulation of aflatoxin biosynthesis among isolates of Aspergillus flavus

    • E. H. Gendloff
    • F. S. Chu
    • T. J. Leonard

    Research Articles 15 January 1992 Pages: 84 - 87

25. A new cell line (XTY) from a tumor of Xenopus laevis

    • A. Fukui
    • A. Tashiro
    • M. Asashima

    Research Articles 15 January 1992 Pages: 87 - 91

26. Leaf-blade crimping in grasses: A new measure of growth

    • P. R. Espie
    • H. E. Connor
    • I. J. McCracken

    Research Articles 15 January 1992 Pages: 91 - 94

27. Host trail following by the guest ant Formicoxenus provancheri

    • A. Lenoir
    • C. Detrain
    • N. Barbazanges

    Research Articles 15 January 1992 Pages: 94 - 97

28. Chemical basis of pupal cannibalism in a caterpillar (Utetheisa ornatrix)

    • F. Bogner
    • T. Eisner

    Research Articles 15 January 1992 Pages: 97 - 102

29. Male production induced by antibiotic treatment inEncarsia formosa (Hymenoptera: Aphelinidae), an asexual species

    • E. Zchori-Fein
    • R. T. Roush
    • M. S. Hunter

    Research Articles 15 January 1992 Pages: 102 - 105

30. Cantharidin analogues and their attractancy for ceretopogonid flies (Diptera: Ceratopogonidae)

    • M. Frenzel
    • K. Dettner
    • W. Boland

    Research Articles 15 January 1992 Pages: 106 - 111

31. New C₂₆ δ-lactones from the Dufour's gland of the urticating ant Tetramorium aculeatum

    • P. Merlin
    • J. C. Braekman
    • A. Dejean

    Research Articles 15 January 1992 Pages: 111 - 113

32. Marine eicosanoids: Occurrence of 8,11,12-trihydroxylated eicosanoic acids in starfishes

    • I. Bruno
    • M. V. D'Auria
    • R. Riccio

    Research Articles 15 January 1992 Pages: 114 - 115

33. Announcements

    Announcement 15 January 1992 Pages: 115 - 116