1. VANDE WIELE, R. L., BOGUMIL, J., DYRENFURTH, I., FERIN, M., JEWELEWICZ, R., WARREN, M., RIZKALLAH, T., MIKHAIL, C.: Recent Progress in Hormone Research. New York-London: Academic Press 1970.
2. SWERDLOFF, R. S., ODELL, W. D.: Calif. Med. 109, 467–485 (1968).
3. STROTT, C. A., YOSHIMI, T., ROSS, G. T., LIPSETT, M. B.: J. clin. Endocr. 29, 1157 (1969).
4. GOEBELSMANN, U., MIDGLEY, A. R., JAFFE, R. B.: J. clin. Endocr. 29, 1222 (1969).
5. CALDWELL, B. V., SCARAMUZZI, R. J., THORNEYCROFT, I. H., TILLSON, S. A.: In Immunological Methods in Steroid Determinations. Eds. PERON and CALDWELL. New York: Appleton Century Crofts 1970.