1. Genetics of osteoporosis

   • Carmelo E. Fiore
   • Ranuccio Nuti
   • Sergio Ortolani

   Editorial Pages: 161 - 163

2. Mechanisms of cortical bone loss from the metacarpal following digital amputation

   • T. Cundy
   • A. Grey

   Clinical Investigation Pages: 164 - 168

3. Effect of essential fatty acid deficiency on the fatty acid composition and arachidonic acid levels in rat maxillae and mandibles

   • S. Q. Alam
   • M. Henderson
   • B. S. Alam

   Laboratory Investigations Pages: 169 - 172

4. Subregion analysis of the rat femur: A sensitive indicator of changes in bone density following treatment with thyroid hormone or bisphosphonates

   • H. N. Rosen
   • V. L. Middlebrooks
   • S. L. Greenspan

   Laboratory Investigations Pages: 173 - 175

5. Effect of ultrafilterable fragments from chondroitinase and protease-treated aggrecan on calcium phosphate precipitation in liposomal suspensions

   • E. D. Eanes
   • A. W. Hailer

   Laboratory Investigations Pages: 176 - 179

6. The loci of mineral in turkey leg tendon as seen by atomic force microscope and electron microscopy

   • S. Lees
   • K. S. Prostak
   • K. Kjoller

   Laboratory Investigations Pages: 180 - 189

7. Calcium regulating activity of 26,27-dimethyl analog of 24R,25-dihydroxyvitamin D₃

   • T. Miyahara
   • M. Harada
   • N. Ikekawa

   Laboratory Investigations Pages: 190 - 197

8. Androgen resistance and deficiency have different effects on the growing skeleton of the rat

   • D. Vanderschueren
   • E. Van Herck
   • R. Bouillon

   Laboratory Investigations Pages: 198 - 203

9. Calcium cells from snails: Response to vitamin D metabolites

   • L. Kriajev
   • I. Otremski
   • S. Edelstein

   Laboratory Investigations Pages: 204 - 207

10. Time-dependent effects of parathyroid hormone and prostaglandin E₂ on DNA synthesis by periosteal cells from embryonic chick calvaria

    • A. Scutt
    • C. Duvos
    • H. Mayer

    Laboratory Investigations Pages: 208 - 215

11. Evaluation of a laser Doppler flowmetry implantable fiber system for determination of threshold thickness for flow detection in bone

    • E. H. Schemitsch
    • M. J. Kowalski
    • M. F. Swiontkowski

    Orthopedic Surgical Forum Pages: 216 - 222

12. Relationship between bone mineral density of the proximal femur and lumbar spine and quadriceps and hamstrings torque in healthy Japanese subjects

    • S. Hyakutake
    • S. Goto
    • H. Moriya

    Orthopedic Surgical Forum Pages: 223 - 229

13. Selective extractability of noncollagenous proteins from chicken bone

    • L. C. Gerstenfeld
    • M. Feng
    • M. J. Glimcher

    Orthopedic Surgical Forum Pages: 230 - 235

14. Energy-dispersive X-ray microanalysis of the bone mineral content in human trabecular bone: A comparison with ICPES and neutron activation analysis

    • K. Åkesson
    • M. D. Grynpas
    • K. J. Obrant

    Orthopedic Surgical Forum Pages: 236 - 239

15. Oral pamidronate in refractory Paget's disease

    • Emilio J. A. Roldán
    • S J Wimalawansa
    • R D Gunasekera

    Letters to the Editor Pages: 240 - 240

16. Announcements

    Announcement Pages: 241 - 241