1. Copp, D. H., Cameron, E. C., Cheney, B. A., Davidson, A. G. F., and Henze, K. G., Endocrinology, 70, 638 (1962).
2. Kumar, M. A., Foster, G. V., and MacIntyre, I., Lancet, ii, 480 (1963).
3. Hirsch, P. F., Gauthier, G. F., and Munson, P. L., Endocrinology, 73, 244 (1963).
4. Hirsch, P. F., Voelkel, E. F., Savery, A., and Munson, P. L., Fed. Proc., 23, 204 (1964).
5. Foster, G. V., Kumar, M. A., Baghdiantz, A., Soliman, H., Slack, E., De Bats, A., and MacIntyre, I., Second European Symp. Calcified Tissues (Pergamon Press; in the press).