CreevyG. D., ReaG. E.: The treatment of impotence by male sex hormones. Endocrinology, 27; 392 (1940).
3.
HudsonB.: Testicular function in man. Giba Found. Coll. Endocrinol., 16; 140 (1967).
4.
IsmailA. A. A., DavidsonD. W., LoraneJ. A., CullenD. R., IrvineW. J., CooperA. J., SmithC. G.: Assesment of gonadal function in impotent men. In: Reproductive Endocrinology (Irvine W. J., Hrsg.), Livingstone, Edinburgh1970.
5.
JoelC. A.: Pathogenesis, symptomatology, diagnosis and treatment of male impotence. In: Fertility disturbance of men and women (Joel G. A., Hrsg.), Karger, Basel1971, s. 278.