1. Perspectives on osteoporosis research: Its focus and some insights from a new paradigm

   • J. L. Ferretti
   • H. M. Frost
   • D. D. Thompson

   Editorials Pages: 399 - 404

2. 25 Years of salmon calcitonin: From synthesis to therapeutic use

   • M. Azria
   • D. H. Copp
   • J. M. Zanelli

   OriginalPaper Pages: 405 - 408

3. The role of vitamin D metabolites in the treatment of osteoporosis

   • Roberto Civitelli
   • Eturo Ogata
   • Akifumi Tokita

   Report Pages: 409 - 414

4. Detection of pyridinium cross-links in human bile

   • M. Romanello
   • K. Noris Suarez
   • L. Moro

   Clinical Investigations Pages: 415 - 418

5. Broadband ultrasound attenuation of the os calcis in female postmenopausal patients with cervical and trochanteric fracture

   • Emm. K. Dretakis
   • G. M. Kontakis
   • G. Kouvidis

   OriginalPaper Pages: 419 - 421

6. Increasing serum osteocalcin after glycemic control in diabetic men

   • S. Sayinalp
   • O. Gedik
   • Z. Koray

   OriginalPaper Pages: 422 - 425

7. Aging changes in vertebral morphometry

   • D. Diacinti
   • M. Acca
   • G. F. Mazzuoli

   OriginalPaper Pages: 426 - 429

8. 17β-Estradiol increases the receptor number and modulates the action of 1,25-dihydroxyvitamin D₃ in human osteosarcoma-derived osteoblast-like cells

   • M. Ishibe
   • T. Nojima
   • J. E. Puzas

   Laboratory Investigations Pages: 430 - 435

9. Progesterone receptors are expressed in human osteoblast-like cell lines and in primary human osteoblast cultures

   • P. MacNamara
   • C. O'Shaughnessy
   • H. C. Loughrey

   OriginalPaper Pages: 436 - 441

10. Ultrastructural immunolocalization of fibronectin in epiphyseal and metaphyseal bone of young rats

    • J. Nordahl
    • S. Mengarelli-Widholm
    • F. P. Reinholt

    OriginalPaper Pages: 442 - 449

11. Epidermal growth factor induces Egr-1 messenger RNA and protein in mouse osteoblastic cells

    • M. A. Fang
    • G. M. Noguchi
    • S. McDougall

    Molecular and Cellular Biology Pages: 450 - 455

12. Mechanically induced periosteal bone formation is paralleled by the upregulation of collagen type one mRNA in osteocytes as measured by In situ reverse transcript-polymerase chain reaction

    • Y. -O. Sun
    • K. J. McLeod
    • C. T. Rubin

    OriginalPaper Pages: 456 - 462

13. Taxol inhibits osteoclastic bone resorption

    • T. J. Hall
    • H. Jeker
    • M. Schaueblin

    Rapid Communications Pages: 463 - 465

14. Demonstration of isoforms of the estrogen receptor in the bone tissues and in osteoblastic cells

    • S. Hoshino
    • S. Inoue
    • H. Orimo

    OriginalPaper Pages: 466 - 468

15. Standardization of measurements for assessing BMD by DXA

    • Peter Steiger

    Letter to the Editor Pages: 469 - 469

16. Announcements

    Announcement Pages: 470 - 470