1. Ando’, S., Polosa, P. and D’Agata, R. (1978). Clin. Endocr., 9, 557–562
2. Bruchovsky, N. and Wilson, J. D. (1968). J. biol. Chem., 243, 2012–2021
3. Callard, G. V., Petro, Z. and Ryan, K. J. (1978). Endocrinology, 103, 2283–2290
4. Celotti, F., Farina, J., Cresti, L., Massa, R. and Martini, L. (1976). Program 5th Int. Congr. Endocrinology, 44
5. Celotti, F., Massa, R. and Martini, L. (1979a). In Endocrinology (ed. L. J. De Groot), Grune and Stratton, New York, 41–53