1. Factors affecting absorbability of calcium from calcium salts and food

   • Charles Y. C. Pak
   • Louis V. Avioli

   Editorial Pages: 55 - 60

2. Evidence for a prostaglandin-mediated bone resorptive mechanism in subjects with fasting hypercalciuria

   • Paolo Filipponi
   • Carla Mannarelli
   • Louis V. Avioli

   Clinical Investigations Pages: 61 - 66

3. Variable osteoclast appearance in human infantile osteopetrosis

   • Frederic Shapiro
   • L. Lyndon Key
   • Constantine Anast

   Clinical Investigations Pages: 67 - 76

4. A postmortem Correlation of four techniques of assessment of osteoporosis with force of bone compression

   • Nancy Oyster
   • Fred W. Smith

   Clinical Investigations Pages: 77 - 82

5. Characteristics of phosphate transport in osteoblastlike cells

   • J. Caverzasio
   • T. Selz
   • J. -P. Bonjour

   Laboratory Investigations Pages: 83 - 87

6. Stimulatory effect on bone resorption of interleukin-1-like cytokine produced by an osteoblast-rich population of mouse calvarial cells

   • Shigeru Amano
   • Shigemasa Hanazawa
   • Shigeo Kitano

   Laboratory Investigations Pages: 88 - 91

7. Increased³H-uridine levels in osteocytes following a single short period of dynamic bone loadingin vivo

   • M. J. Pead
   • R. Suswillo
   • L. E. Lanyon

   Laboratory Investigations Pages: 92 - 96

8. A hypercalcemic nude rat model that completely mimics human syndrome of humoral hypercalcemia of malignancy

   • Kyoji Ikeda
   • Toshio Matsumoto
   • Etsuro Ogata

   Laboratory Investigations Pages: 97 - 102

9. Comparison of two laser Doppler flowmetry systems for bone blood flow analysis

   • Marc F. Swiontkowski
   • Frank Schlehr
   • Adrienne Pou

   Laboratory Investigations Pages: 103 - 107

10. Effects of cations on cartilage structure: Swelling of growth plate and degradation of proteoglycans induced by chelators of divalent cations

    • Robert D. Campo

    Molecular and Cellular Biology Pages: 108 - 121

11. The effects of chronic dietary calcium supplementation on bone mineral density in ovariectomized Beagles

    • M. -S. Shih
    • J. Dixon
    • C. Anderson

    Rapid Communications Pages: 122 - 124

12. A comparison of the pharmacokinetics of 14C-labelled APD and 99mTc-labelled APD in the mouse

    • Peter T. Daley-Yates
    • Ray Bennett

    Rapid Communications Pages: 125 - 127

13. Immunocytochemical localization of osteocalcin in human and bovine teeth

    • I. Gorter de Vries
    • D. Coomans
    • E. Wisse

    Rapid Communications Pages: 128 - 130

14. Announcements

    Announcement Pages: 131 - 131