1. Perspectives: On a “paradigm shift” developing in skeletal science

   • H. M. Frost

   Editorial Pages: 1 - 4

2. Menopause-related changes in bone mineral density in Japanese women: A longitudinal study on lumbar spine and proximal femur

   • T. Tsunenari
   • S. Yamada
   • M. Tsutsumi

   Clinical Investigations Pages: 5 - 10

3. Demonstration that bone mineral density of the lumbar spine, trochanter, and femoral neck is higher in black than in white young men

   • N. H. Bell
   • L. Gordon
   • J. R. Shary

   Clinical Investigations Pages: 11 - 13

4. Dual-energy X-ray absorptiometry of the calcaneus: Comparison with vertebral dual-energy X-ray absorptiometry and quantitative computed tomography

   • A. -M. Laval-Jeantet
   • C. Bergot
   • M. Laval-Jeantet

   Clinical Investigations Pages: 14 - 18

5. Factors influencing short-term precision of dual X-ray bone absorptiometry (DXA) of spine and femur

   • K. Engelke
   • C. C. Glüer
   • H. K. Genant

   Clinical Investigations Pages: 19 - 25

6. Bilateral comparison of femoral bone density and hip axis length from single and fan beam DXA scans

   • K. G. Faulkner
   • H. K. Genant
   • M. McClung

   Clinical Investigations Pages: 26 - 31

7. Serum calcitonin forms and concentrations in young and elderly healthy females

   • E. Bucht
   • H. Rong
   • O. Tørring

   Clinical Investigations Pages: 32 - 37

8. Prevention of bone loss in early nonsurgical and nonosteoporotic high turnover patients with salmon calcitonin: The role of biochemical bone markers in monitoring high turnover patients under calcitonin treatment

   • G. P. Lyritis
   • B. Magiasis
   • N. Tsakalakos

   Clinical Investigations Pages: 38 - 41

9. Low dose phenytoin is an osteogenic agent in the rat

   • T. Ohta
   • J. E. Wergedal
   • K. -H. William Lau

   Laboratory Investigations Pages: 42 - 48

10. Bone-resorbing activities of 24-epi-1α-hydroxyvitamin D₂ and 24-epi-1α,25-dihydroxyvitamin D₂

    • K. Yokoyama
    • T. Miyahara
    • H. Kozuka

    Laboratory Investigations Pages: 49 - 53

11. Amylin increases bone volume but cannot ameliorate diabetic osteopenia

    • D. F. Romero
    • H. P. Bryer
    • S. Epstein

    Laboratory Investigations Pages: 54 - 61

12. Mineral concentration gradients in rat femoral diaphyses measured by X-ray microtomography

    • F. S. L. Wong
    • J. C. Elliott
    • G. R. Davis

    Laboratory Investigations Pages: 62 - 70

13. The mandibular condylar growth center: Separation and characterization of the cellular elements

    • R. Landesberg
    • R. L. Proctor
    • J. E. Puzas

    Laboratory Investigations Pages: 71 - 77

14. Effect of decalcification on bone mineral content and bending strength of feline femur

    • K. M. Shah
    • J. C. H. Goh
    • K. Bose

    Laboratory Investigations Pages: 78 - 82

15. A new rapid and reproducible homologous immunoradiometric assay for amino-terminal parathyroid hormone in the rat

    • B. Rucinski
    • G. N. Mann
    • S. Epstein

    Laboratory Investigations Pages: 83 - 87

16. Investigation of the relationship between osteoporosis and the collagenase gene by means of polymorphism of the 5′upstream region of this gene

    • L. M. Thiry-Blaise
    • A. -N. Taquet
    • Ch. M. Lapière

    Molecular and Cellular Biology Pages: 88 - 91

17. Announcements

    Announcement Pages: 92 - 92