1. The tension between work and growth: A cellular concern

   • David W. Moskowitz

   Editorial Pages: 215 - 217

2. Longitudinal study of bone loss in the second metacarpal

   • Kathleen M. Fox
   • Jordan D. Tobin
   • Chris C. Plato

   Clinical Investigations Pages: 218 - 225

3. Treatment of Paget's disease of bone with intravenous 4-amino-1-hydroxybutylidene-1,1-bisphosphonate

   • S. Adami
   • G. Salvagno
   • V. Lo Cascio

   Clinical Investigations Pages: 226 - 229

4. Serum bone gla protein (BGP) and other markers of bone mineral metabolism in postmenopausal osteoporosis

   • F. Ismail
   • S. Epstein
   • L. V. Avioli

   Clinical Investigations Pages: 230 - 233

5. Metabolism of osteocalcin

   • W. Farrugia
   • R. A. Melick

   Laboratory Investigations Pages: 234 - 238

6. Resolution and identification of O-phosphoserine, O-phosphothreonine, O-phosphotyrosine, and γ-carboxyglutamic acid as their fluorescent o-phthalaldehyde derivatives by high performance liquid chromatography

   • Robert W. Etheredge III
   • Melvin J. Glimcher

   Laboratory Investigations Pages: 239 - 243

7. Correlations between phases of deer antler regeneration and levels of serum keratan sulfate

   • Charles E. Dinsmore
   • Richard J. Goss
   • Eugene J-M. A. Thonar

   Laboratory Investigations Pages: 244 - 247

8. Changes in interaction of bovine dentin phosphophoryn with calcium and Hydroxyapatite by chemical modifications

   • Ryuichi Fujisawa
   • Yoshinori Kuboki
   • Satoshi Sasaki

   Laboratory Investigations Pages: 248 - 251

9. Humoral and ionic regulation of osteoclast acidity

   • Richard E. Anderson
   • Dixon M. Woodbury
   • Webster S. S. Jee

   Laboratory Investigations Pages: 252 - 258

10. Chemotaxis of muscle-derived mesenchymal cells to bone-inductive proteins of rat

    • Richard Landesman
    • A. H. Reddi

    Laboratory Investigations Pages: 259 - 262

11. The origin of osteoclasts: An immunohistochemical study on macrophages and osteoclasts in embryonic rat bone

    • Taede Sminia
    • Christine D. Dijkstra

    Laboratory Investigations Pages: 263 - 266

12. Osteoporosis and mandibular bone resorption in the sprague dawley rat

    • Amerian D. Sones
    • Lawrence E. Wolinsky
    • F. J. Kratochvil

    Laboratory Investigations Pages: 267 - 270

13. A new culture method assuring the three-dimensional development of the mouse embryonic molar toothIn vitro

    • Y. Sakakura

    Laboratory Investigations Pages: 271 - 278

14. Calcium homeostasis III: The bone membrane potential and mineral dissolution

    • K. J. McGrath
    • W. J. Heideger
    • K. W. Beach

    Laboratory Investigations Pages: 279 - 283

15. Supraphysiological concentrations of dexamethasone induce elevation of calcium uptake and depression of [³H]-Thymidine incorporation into DNA in cartilagein vitro

    • Gila Maor
    • Michael Silbermann

    Molecular and Cellular Biology Pages: 284 - 290

16. Equatorial diffraction spacing as a function of water content in fully mineralized cow bone determined by neutron diffraction

    • Sidney Lees
    • Herbert A. Mook

    Rapid Communication Pages: 291 - 292

17. Announcements

    Announcement Pages: 293 - 293