1. Daughaday, W. H., 1956. J. Lab. Clin. Med. 48: 799?800.
2. Bush, I. E., 1957. Hormones in Blood, (Wolstenholme, G. E. W. and Millar, E. C. P., eds.), Ciba Found. Colloq. Endocrinol. Vol. 11, pp. 263?285, Little, Brown and Co., Boston.
3. Sandberg, A. A., Slaunwhite, W. R., Jr. and Antoniades, H. N., 1957. Rec. Progr. Hormone Res. 13: 209?267.
4. Sandberg, A. A. and Slaunwhite, W. R., Jr., 1958. J. Clin. Invest. 37: 928.
5. Slaunwhite, W. R., Jr. and Sandberg, A. A., 1959. J. Clin. Invest. 38: 384?391.