1. Some ABC's of skeletal pathophysiology. 5. Microdamage physiology

   • H. M. Frost

   Editorials Pages: 229 - 231

2. Cyclosporin a: Friend or foe?

   • Sol Epstein

   Editorials Pages: 232 - 234

3. Cyclosporine A: Friend or foe

   Erratum Pages: 234 - 234

4. DEXA Measurement of spine density in the lateral projection. I: Methodology

   • Richard B. Mazess
   • C. A. Gifford
   • J. A. Hanson

   Clinical Investigations Pages: 235 - 239

5. Calcium absorption in normal and osteoporotic postmenopausal women

   • Howard A. Morris
   • Allan G. Need
   • B. E. Christopher Nordin

   Clinical Investigations Pages: 240 - 243

6. Isotopic exchange of ingested calcium between labeled sources. Evidence that ingested calcium does not form a common absorptive pool

   • Connie M. Weaver
   • Robert P. Heaney

   Clinical Investigations Pages: 244 - 247

7. Changes in apatite crystal size in bones of patients with osteogenesis imperfecta

   • U. Vetter
   • E. D. Eanes
   • P. Gehron Robey

   Clinical Investigations Pages: 248 - 250

8. Fourier transform infrared spectroscopic study of the carbonate ions in bone mineral during aging

   • C. Rey
   • V. Renugopalakrishman
   • Melvin J. Glimcher

   Laboratory Investigations Pages: 251 - 258

9. A resolution-enhanced Fourier Transform Infrared spectroscopic study of the environment of the CO₃ ²⁻ ion in the mineral phase of enamel during its formation and maturation

   • C. Rey
   • V. Renugopalakrishnan
   • Melvin J. Glimcher

   Laboratory Investigations Pages: 259 - 268

10. Carbonate ions in apatites: Infrared investigations in thev ₄ CO₃ domain

    • H. El Feki
    • Christian Rey
    • M. Vignoles

    Laboratory Investigations Pages: 269 - 274

11. Effects of cyclosporine a on chick osteoclastsIn vitro

    • Majeedul H. Chowdhury
    • Victor Shen
    • David W. Dempster

    Laboratory Investigations Pages: 275 - 279

12. Sodium EDTA enhances intestinal absorption of two bisphosphonates

    • Marco Janner
    • Roman C. Mühlbauer
    • Herbert Fleisch

    Laboratory Investigations Pages: 280 - 283

13. Effects of phorbol esters and pertussis toxin on calcitonin-stimulated accumulation of cyclic AMP in neonatal mouse calvarial bones

    • Maria Ransjö
    • Ulf H. Lerner

    Laboratory Investigations Pages: 284 - 287

14. Clinical and laboratory parameters in adult diabetics with and without calcific shoulder periarthritis

    • M. E. Mavrikakis
    • Peter P. Sfikakis
    • D. S. Moulopoulou

    Orthopedic Surgical Forums Pages: 288 - 291

15. Correlations between photon absorption properties and failure load of the distal radiusin vitro

    • Elizabeth R. Myers
    • Elizabeth A. Sebeny
    • Wilson C. Hayes

    Orthopedic Surgical Forums Pages: 292 - 297

16. Experience with the Novo DPA scanner

    • P. Lakatos
    • I. Krasznai

    Letter to the Editor Pages: 298 - 299

17. Announcements

    Announcement Pages: 300 - 300