1. Ethical guidelines for publication of research

   • Louis V. Avioli
   • Roland Baron
   • Lawrence G. Raisz

   Editorial Pages: 1 - 2

2. Bisphosphonates and extrarenal acid buffering capacity

   • Hans Freudiger
   • Jean-Philippe Bonjour

   Laboratory Investigations Pages: 3 - 10

3. A comparative ultrahistochemical study of glycosaminoglycans with cuprolinic blue in bone formedin vivo andin vitro

   • Jean-Raphaël Nefussi
   • Dominique Septier
   • Nadine Forest

   Laboratory Investigations Pages: 11 - 19

4. FT-IR microscopy of endochondral ossification at 20μ spatial resolution

   • Richard Mendelsohn
   • Alborz Hassankhani
   • Adele Boskey

   Laboratory Investigations Pages: 20 - 24

5. Effects of leukemogenic retroviruses on condylar cartilageIn vitro: An ultrastructural study

   • Erella Livne
   • Jorg Schmidt
   • Volker Erfle

   Laboratory Investigations Pages: 25 - 35

6. Age-related bone loss in lumbar vertebrae of CW-1 female mice: A histomorphometric study

   • B. Bar-Shira-Maymon
   • R. Coleman
   • M. Silbermann

   Laboratory Investigations Pages: 36 - 45

7. 1-Hydroxyethylidene-1,1-bisphosphonate (HEBP) simultaneously induces two distinct types of hypomineralization in the rat incisor dentine

   • Yuzo Ogawa
   • Yutaka Adachi
   • Toshio Yagi

   Laboratory Investigations Pages: 46 - 60

8. The effect of thionapthene-2-carboxylic acid-lysine on the hypercalcemia of malignancy in the rat

   • J. E. Decker
   • N. E. Morrison
   • L. G. Raisz

   Laboratory Investigations Pages: 61 - 64

9. Announcements

   Announcement Pages: 65 - 65