1. Contribution of biomechanics to bone research

   • A. Ascenzi

   Editorial Pages: 1 - 3

2. Age changes in bone mineralization, cortical thickness, and Haversian canal area

   • D. D. Thompson

   Clinical Investigation Pages: 5 - 11

3. Normal maturational changes in bone matrix, mineral, and crystal size in the rat

   • James M. Burnell
   • Elizabeth J. Teubner
   • Alan G. Miller

   Laboratory Investigation Pages: 13 - 19

4. Fine structure of fetal rat calvarium; provisional identification of preosteoclasts

   • Barry R. Rifkin
   • John S. Brand
   • Farshid Sanavi

   OriginalPaper Pages: 21 - 28

5. Monocytes mediate osteoclastic bone resorption by prostaglandin production

   • Jesus H. Dominguez
   • Gregory R. Mundy

   OriginalPaper Pages: 29 - 34

6. Collagenase and collagenase inhibitor levels following changes in bone resorption in vitro

   • Anthony Sellers
   • Murray C. Meikle
   • John J. Reynolds

   OriginalPaper Pages: 35 - 43

7. Use of dermestid beetles for cleaning bones

   • E. Hefti
   • U. Trechsel
   • H. Fleisch

   OriginalPaper Pages: 45 - 47

8. Announcements

   Announcement Pages: 49 - 49

9. Abstracts of the second annual scientific meeting of the american society for bone and mineral research

   Abstract Pages: 51 - 88

10. Vitamin D-dependent rickets type II

    • Norman H. Bell

    Editorial Pages: 89 - 91

11. Ultrastructural study of apatites in human urinary calculi

    • M. Santos
    • P. F. González-Díaz

    Clinical Investigation Pages: 93 - 108

12. Comparison of subacute effects of oxazacort and prednisone on mineral metabolism in man

    • T. J. Hahn
    • L. R. Halstead
    • D. T. Baran

    OriginalPaper Pages: 109 - 115

13. Bone mineral status measured by direct photon absorptiometry in institutionalized adults receiving long-term anticonvulsant therapy and multivitamin supplementation

    • Howard S. Barden
    • Richard B. Mazess
    • William McAweeney

    OriginalPaper Pages: 117 - 121

14. Studies on the structure and chemistry of dentin collagen-phosphophoryn covalent complexes

    • Sandra L. Lee
    • Arthur Veis

    Laboratory Investigation Pages: 123 - 134

15. On the measurement of water compartments, pH, and gradients in calvaria

    • Margaret W. Neuman
    • William F. Neuman

    OriginalPaper Pages: 135 - 145

16. Is there a “citrate-apatite” in biological calcified systems?

    • I. Cifuentes
    • P. F. González-Díaz
    • L. Cifuentes-Delatte

    OriginalPaper Pages: 147 - 151

17. Effects of pyrophosphate and diphosphonates on the dissolution of hydroxyapatites using a flow system

    • John R. Evans
    • William G. Robertson
    • Herbert Fleisch

    OriginalPaper Pages: 153 - 159

18. Developmental comparisons of murine secretory amelogenesis in vivo, as xenografts on the chick chorio-allantoic membrane, and in vitro

    • Marie Yamada
    • Pablo Bringas Jr.
    • Harold C. Slavkin

    OriginalPaper Pages: 161 - 171

19. Transcapillary exchange and retention of fluoride, strontium, EDTA, sucrose, and antipyrine in bone

    • Gerard J. Lemon
    • David R. Davies
    • Patrick J. Kelly

    OriginalPaper Pages: 173 - 181

20. Announcements

    Announcement Pages: 183 - 183

21. Paget's disease of bone: A slow virus infection?

    • Frederick R. Singer

    Editorial Pages: 185 - 187

22. Thermal decomposition of human tooth enamel

    • D. W. Holcomb
    • R. A. Young

    Clinical Investigation Pages: 189 - 201

23. Differential diagnosis of hypoparathyroid disorders during childhood

    • Makoto Ishida
    • Yoshiki Seino
    • Kazuhiko Nishimura

    OriginalPaper Pages: 203 - 207

24. Effects of 1α-hydroxyvitamin D₃ and 24R,25-dihydroxyvitamin D₃ on bone remodeling

    • K. Galus
    • J. Szymendera
    • K. Schreyer

    Laboratory Investigation Pages: 209 - 213

25. Histological observations on the failure of rachitic rat bones to respond to 1,25/OH)₂D₃

    • J. A. Gallagher
    • D. E. M. Lawson

    OriginalPaper Pages: 215 - 223

26. Effects of fluoride, calcium, and phosphate administration on mineralization in rats

    • M. Joost Larsen
    • O. Fejerskov
    • S. J. Jensen

    OriginalPaper Pages: 225 - 230

27. Calcium homeostasis and bone pathology in magnesium deficient rats

    • J. E. Jones
    • R. Schwartz
    • L. Krook

    OriginalPaper Pages: 231 - 238

28. Demonstration and preliminary characterization of bone resorbing activity in freeze-dried gingiva of dogs

    • Rosamund M. Hopps
    • Klaus Nuki
    • Lawrence G. Raisz

    OriginalPaper Pages: 239 - 245

29. Phosphoprotein modulation of apatite crystallization

    • J. D. Termine
    • E. D. Eanes
    • K. M. Conn

    OriginalPaper Pages: 247 - 251

30. Effect of low calcium and low phosphorus diets on the intestinal absorption of water in intact and parathyroidectomized pigs

    • J. Fox
    • A. D. Care

    OriginalPaper Pages: 253 - 255

31. Piezoelectricity in collagen films

    • Andrew A. Marino
    • Joseph A. Spadaro
    • R. O. Becker

    OriginalPaper Pages: 257 - 259

32. Limitations of radioactive microspheres as tracers for bone blood flow and extraction ratio studies

    • P. Tothill
    • J. M. MacPherson

    OriginalPaper Pages: 261 - 265

33. Announcements

    Announcement Pages: 267 - 267