1. The use of calcitonin as antiosteolytic drug

   • H. Rico

   Editorial Pages: 105 - 106

2. Osteogenesis imperfecta (the brittle bone syndrome): Advances and controversies

   • Roger Smith
   • Bryan Sykes

   Editorial Pages: 107 - 111

3. Prevention of hypovitaminosis D in the elderly

   • Malachi J. McKenna
   • Rosemarie Freaney
   • Francis P. Muldowney

   Clinical Investigations Pages: 112 - 116

4. Electron microprobe investigation of calcium and phosphorus concentration in human bone trabeculae—Both normal and in posttraumatic osteopenia

   • Karl J. Obrant
   • Rolf Odselius

   Clinical Investigations Pages: 117 - 120

5. Calcium-acidic phospholipid-phosphate complexes in human atherosclerotic aortas

   • Ethan Dmitrovsky
   • Adele L. Boskey

   Clinical Investigations Pages: 121 - 125

6. Role of carbonic anhydrase in bone: Partial inhibition of disuse atrophy of bone by parenteral acetazolamide

   • Alexander D. Kenny

   Laboratory Investigations Pages: 126 - 133

7. Role of carbonic anhydrase in bone resorption induced by 1,25 dihydroxyvitamin D₃ in vitro

   • Gary E. Hall
   • Alexander D. Kenny

   Laboratory Investigations Pages: 134 - 142

8. Hypercalciuria during experimental vitamin K deficiency in the rat

   • D. Robert
   • V. Jorgetti
   • T. Drüeke

   Laboratory Investigations Pages: 143 - 147

9. The effects of prostaglandin E₂ in growing rats: Increased metaphyseal hard tissue and cortico-endosteal bone formation

   • W. S. S. Jee
   • K. Ueno
   • D. M. Woodbury

   Laboratory Investigations Pages: 148 - 157

10. The effect of metabolic acidosis on vitamin D metabolites and bone histology in uremic rats

    • Yuk-Luen Chan
    • Elliott Savdie
    • Solomon Posen

    Laboratory Investigations Pages: 158 - 164

11. Developmental morphology of calcium oxalate foreign body stones in rats

    • Saeed R. Khan
    • Raymond L. Hackett

    Laboratory Investigations Pages: 165 - 173

12. The precipitation of calcium carbonate polymorphsin vitro at 37°C

    • P. M. Bills

    Laboratory Investigations Pages: 174 - 177

13. Pulsed electromagnetic fields promote collagen production in bone marrow fibroblasts via athermal mechanisms

    • Richard W. Farndale
    • J. Clifford Murray

    Laboratory Investigations Pages: 178 - 182

14. Properties of Suc-GPLGP-MCAase and dipeptidyl-aminopeptidase in mouse calvaria-derived osteoblastic cells (MC3T3-E1)

    • T. Chikuma
    • Y. Ishii
    • M. Kumegawa

    Laboratory Investigations Pages: 183 - 188

15. Ethanol-induced formation of solid calcium phosphates

    • M. Joost Larsen
    • A. Thorsen
    • S. J. Jensen

    Laboratory Investigations Pages: 189 - 193

16. Preparation of octacalcium phosphate (OCP): A direct fast method

    • Reacquel Z. LeGeros

    Rapid Communication Pages: 194 - 197

17. Comments on the use of electromagnetic fields in biological studies

    • W. C. Parkinson

    Comments Pages: 198 - 207

18. Plasma proteins in human cortical bone:In vitro binding studies

    • A. J. Smith
    • J. B. Matthews
    • H. F. Sewell

    Comments Pages: 208 - 210

19. Announcements

    Announcement Pages: 211 - 211