1. Bone mineral density and risk factors for osteoporosis—A population-based study of 1600 perimenopausal women

   • H. Kröger
   • M. Tuppurainen
   • S. Saarikoski

   Clinical Investigations Pages: 1 - 7

2. Estimation of the effect of salmon calcitonin in established osteoporosis by biochemical bone markers

   • N. Munk Nielsen
   • P. von der Recke
   • C. Christiansen

   Clinical Investigations Pages: 8 - 11

3. Human recombinant interleukin-1 receptor antagonist blocks bone resorption induced by interleukin-1β but not interleukin-1α

   • R. A. Chole
   • S. P. Tinling
   • B. T. Faddis

   Laboratory Investigations Pages: 12 - 15

4. Dexamethasone regulates IL-1β and TNF-α-induced interleukin-8 production in human bone marrow stromal and osteoblast-like cells

   • L. R. Chaudhary
   • L. V. Avioli

   Laboratory Investigations Pages: 16 - 20

5. Interleukin 4 enhances osteoblast macrophage colony-stimulating factor, but not interleukin 6, production

   • D. L. Lacey
   • J. M. Erdmann
   • S. L. Perkins

   Laboratory Investigations Pages: 21 - 28

6. Modulation of vitamin D increased H₂O₂ production and MAC-2 expression in the bone marrow-derived macrophages by estrogen

   • Y. Abu-Amer
   • Z. Bar-Shavit

   Laboratory Investigations Pages: 29 - 32

7. Effect of running exercise on the bone loss induced by orchidectomy in the rat

   • J. Tuukkanen
   • Z. Peng
   • H. K. Väänänen

   Laboratory Investigations Pages: 33 - 37

8. Localization of H⁺-ATPase and carbonic anhydrase II in ameloblasts at maturation

   • H. M. Lin
   • H. Nakamura
   • H. Ozawa

   Laboratory Investigations Pages: 38 - 45

9. Three quantitative ultrasound parameters reflect bone structure

   • C. C. Gluer
   • C. Y. Wu
   • H. K. Genant

   Laboratory Investigations Pages: 46 - 52

10. Effects of loading rate on strength of the proximal femur

    • A. C. Courtney
    • E. F. Wachtel
    • W. C. Hayes

    Orthopedic Surgical Forum Pages: 53 - 58

11. Effects of unilateral strength training and detraining on bone mineral density and content in young women: A study of mechanical loading and deloading on human bones

    • I. Vuori
    • A. Heinonen
    • P. Oja

    Orthopedic Surgical Forum Pages: 59 - 67

12. Promethazine inhibits osteoclastic bone resorption In vitro

    • T. J. Hall
    • M. Schaueblin

    Rapid Communications Pages: 68 - 70

13. Comparison of the acute biological action of injectable salmon calcitonin and an injectable and oral calcitonin analogue

    • J. P. Devogelaer
    • M. Azria
    • C. Nagant de Deuxchaisnes

    Rapid Communications Pages: 71 - 73

14. Announcements

    Announcement Pages: 74 - 74