1. Calcium-binding protein in human duodenal biopsies

   • Michael Staun
   • Steen Boesby
   • Stig Jarnum

   Clinical Investigations Pages: 205 - 209

2. The effect of hydroxyapatite crystallinity on hemolysis

   • John Wiessner
   • Gretchen Mandel
   • Neil Mandel

   Clinical Investigations Pages: 210 - 219

3. Metabolic expression of intrinsic developmental programs for dentine and enamel biomineralization in serumless, chemically-defined, organotypic culture

   • John Evans
   • Pablo Bringas Jr.
   • Harold C. Slavkin

   Laboratory Investigations Pages: 220 - 230

4. A synthetic polypentapeptide of elastin for initiating calcification

   • J. O. Hollinger
   • J. P. Schmitz
   • D. W. Urry

   Laboratory Investigations Pages: 231 - 236

5. Control of intracellular pH in rat calvarial osteoblasts: Coexistence of both chloride-bicarbonate and sodium-hydrogen exchange

   • Christopher R. Redhead
   • Peter F. Baker

   Laboratory Investigations Pages: 237 - 242

6. Fine powdering exposes the mineral-protected collagen of bone to protease digestion

   • Jiann-Jiu Wu
   • David R. Eyre

   Laboratory Investigations Pages: 243 - 247

7. Bisphosphonates inhibit 1,25-dihydroxyvitamin D₃-induced increase of osteocalcin in plasma of ratsin vivo and in culture medium of rat calvariain vitro

   • Stefan A. Stronski
   • Liana Bettschen-Camin
   • Herbert Fleisch

   Laboratory Investigations Pages: 248 - 254

8. Influence of irradiation on the osteoinductive potential of demineralized bone matrix

   • S. Wientroub
   • A. H. Reddi

   Laboratory Investigations Pages: 255 - 260

9. The transduction of mechanical force into biochemical events in bone cells may involve activation of phospholipase A₂

   • Itzhak Binderman
   • Uriel Zor
   • Dalia Sömjen

   Laboratory Investigations Pages: 261 - 266

10. Cytological and functional studies of preosteoclasts and osteoclasts in the alveolar bones from neonatal rats using microperoxidase as a tracer

    • Teruo Tanaka
    • Makoto Tanaka

    Laboratory Investigations Pages: 267 - 272

11. Suppression of rat hepatic vitamin D-25-hydroxylase by cholecalciferol, but not by 25-hydroxy- or 1,25-dihydroxymetabolites

    • Merry J. G. Bolt
    • Stephen C. Meredith
    • Irwin H. Rosenberg

    Laboratory Investigations Pages: 273 - 278

12. Announcements

    Announcement Pages: 279 - 279