1. Avian osteoclasts

   • Carol V. Gay

   Editorials Pages: 153 - 154

2. Diabetic bone disease

   • Roger Bouillon

   Editorials Pages: 155 - 160

3. Fracture rates as a function of forearm mineral density in normal postmenopausal women: Retrospective and prospective data

   • David B. Cleghorn
   • Karen J. Polley
   • B. E. Christopher Nordin

   Clinical Investigations Pages: 161 - 163

4. Treatment of Paget's disease of bone with a combination of intranasal salmon calcitonin and oral calcium and thiazide

   • Richard A. Evans
   • Nicole M. Somers
   • Mary Evans

   Clinical Investigations Pages: 164 - 167

5. Short-term course of 1,25(OH)₂D₃ stimulates osteoblasts but not osteoclasts in osteoporosis and osteoarthritis

   • Piet Geusens
   • Dirk Vanderschueren
   • Roger Bouillon

   Clinical Investigations Pages: 168 - 173

6. Precision and stability of dual-energy X-ray absorptiometry measurements

   • Jennifer Johnson
   • Bess Dawson-Hughes

   Clinical Investigations Pages: 174 - 178

7. Infusion of zinc inhibits serum calcitonin levels in patients with various zinc status

   • Soroku Nishiyama
   • Toshiro Nakamura
   • Ichiro Matsuda

   Clinical Investigations Pages: 179 - 182

8. Androgen receptors in osteoblast-like cell lines

   • Eric S. Orwoll
   • Lenka Stribrska
   • Edward J. Keenan

   Laboratory Investigations Pages: 183 - 187

9. Distribution of type X collagen in tibiotarsi of broiler chickens with vitamin D deficiency

   • Joseph S. Haynes
   • Jesse Goff

   Laboratory Investigations Pages: 188 - 192

10. The effect of phosphatidylserine onin vitro hydroxyapatite growth and proliferation

    • Adele L. Boskey
    • Birgit L. Dick

    Laboratory Investigations Pages: 193 - 196

11. Effects of leukotrienes on osteoblastic cell proliferation

    • Wei Ren
    • Rosemary Dziak

    Laboratory Investigations Pages: 197 - 201

12. Subpopulations of marrow stromal cells share a variety of osteoblastic markers

    • Dafna Benayahu
    • Adina Fried
    • Shlomo Wientroub

    Laboratory Investigations Pages: 202 - 207

13. Heterotopic ossification: Clinical and cellular aspects

    • Jeffrey R. Sawyer
    • Mark A. Myers
    • J. Edward Puzas

    Orthopedic Surgical Forum Pages: 208 - 215

14. Long-term pulsed electromagnetic field (PEMF) results in congenital pseudarthrosis

    • C. Andrew L. Bassett
    • Mary Schink-Ascani

    Orthopedic Surgical Forum Pages: 216 - 220

15. Clonal osteogenic cell lines express myogenic and adipocytic developmental potential

    • Akira Yamaguchi
    • Arnold J. Kahn

    Comment Pages: 221 - 225

16. Calcitonin and bone mass status in congenital hypothyroidism

    • Gabor Tarján
    • Peter Lakatos

    Letters to the Editor Pages: 226 - 226

17. Reply

    • N. Demeester-Mirkine

    Letters to the Editor Pages: 226 - 226

18. Announcements

    Announcement Pages: 227 - 227