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Corrigendum

The acknowledgment of several guest editors of the Fifth International Conference on Cell-Mediated Calcifications and Matrix Vesicles (Bone and Mineral, Volume 17, Number 2) was inadvertently omitted.

The Organizers of the FIFTH INTERNATIONAL CONFERENCE ON CELL- MEDIATED CALCIFICATION AND MATRIX VESICLES gratefully acknow- ledge the following individuals for their service as Guest Editors to the special May 1992 issue of Bone and Mineral:

S. Yousuf Ali H. Clarke Anderson Barbara D. Boyan Irving M. Shapiro Roy E. Wuthier