1. Siiteri P, Wilson JD. 1974, Testosterone formation and metabolism during male sexual differentiation in the human embryo. Journal of Clinical Endocrinology and Metabolism 38, 113.
2. Burns RK. 1961. Role of hormones in the differentiation of sex, In: Sex and internal secretions (3rd edition). Young WC (ed). Baltimore: Williams and Wilkins, p. 76.
3. Jost A. 1972. A new look at the mechanisms controlling sex differentiation in mammals. Johns Hopkins Medical Journal 130, 38.
4. Clark HM, 1935. Sex differences in change in potency of anterior hypophysis following bilateral castration in newborn rats. Anatomical Record 61, 193.
5. Goy RW. 1970, Early hormonal influence on the development of sexual and sex-related behavior. In: Neurosciences: a study program, Quarlon GC, Melnechuk T, Schmitt FO (eds). New York: Rockefeller University Press.