1. Davidson, C. S., Gibbons, T. B., andFaloow, W. W. J. Lab. & Clin. Med. 35:181, 1950.
2. Tyor, M. P., andCayer, D. South. M. J. 45:141, 1952.
3. Clowdus, B. F., Higgins, J. A., Rosevear, J. W., andSummerskill, W. H. J. Proc. Staff Meet. Mayo Clin. 35:97, 1960.
4. Hall, E. M., Frame, B., andDrill, V. A. Endocrinology 44:76, 1939.
5. Baggenstoss, A. H., andCain, J. C. New England J. Med. 256:531, 1957.