1. Bone loss in men

   • C. Gennari
   • R. Nuti

   Editorials Pages: 1 - 3

2. Assessment of vitamin D nutritional and hormonal status: What to measure and how to do it

   • Bryce W. Hollis

   Editorials Pages: 4 - 5

3. High-dose pamidronate in the management of resistant Paget's disease

   • T. Cundy
   • D. Wattie
   • A. R. King

   Clinical Investigation Pages: 6 - 8

4. Fourier transform infrared spectroscopy of the solution-mediated conversion of amorphous calcium phosphate to hydroxyapatite: New correlations between X-ray diffraction and infrared data

   • S. J. Gadaleta
   • E. P. Paschalis
   • A. L. Boskey

   Laboratory Investigations Pages: 9 - 16

5. Fourier transform infrared microscopy of calcified turkey leg tendon

   • S. J. Gadaleta
   • N. P. Camacho
   • A. L. Boskey

   Laboratory Investigations Pages: 17 - 23

6. A microtomographic system for the nondestructive evaluation of bone architecture

   • P. Rüegsegger
   • B. Koller
   • R. Müller

   Laboratory Investigations Pages: 24 - 29

7. Effects of low-dose long-term sodium fluoride preventive treatment on rat bone mass and biomechanical properties

   • Y. Jiang
   • J. Zhao
   • P. Geusens

   Laboratory Investigations Pages: 30 - 39

8. Phosphate administration increases both size and number of parathyroid cells in adult rats

   • Q. Wang
   • E. Paloyan
   • A. M. Parfitt

   Laboratory Investigations Pages: 40 - 44

9. Persistence of complexed acidic phospholipids in rapidly mineralizing tissues is due to affinity for mineral and resistance to hydrolytic attack:In Vitro data

   • A. L. Boskey
   • W. Ullrich
   • H. Gilder

   Laboratory Investigations Pages: 45 - 51

10. Local bone turnover in the metaphysis of the proximal tibia and the lumbar vertebra during the early periods after ovariectomy in rats

    • M. Yamaura
    • T. Nakamura
    • K. Hosoda

    Laboratory Investigations Pages: 52 - 59

11. Expression patterns of raf-1 suggest multiple roles in tooth development

    • M. Sunohara
    • H. Tanzawa
    • K. Sato

    Laboratory Investigations Pages: 60 - 64

12. Collagen type I of rat cortical and trabecular bone differs in the extent of posttranslational modifications

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

    Laboratory Investigations Pages: 65 - 69

13. Endothelin concentrations are elevated in plasma of patients with primary and secondary hyperparathyroidism

    • P. Lakatos
    • A. Tátrai
    • P. H. Stern

    Rapid Communication Pages: 70 - 71

14. Announcements

    Announcement Pages: 72 - 72