References
- Allenmark S Son, Berg Å, Hammar M, Lindström E. Combined paper and reversed‐phase high‐performance liquid chromatography method for the study of pregnenolone and progesterone metabolites. J Chromatogr 1981; 224: 399–405
- Berg AÅ:son, Hammar M, Kjessler B. Analysis of steroid conversion in vitro by testicular tissue as a means of selection of infertile males for gonadotrophic substitution therapy. Int J Androlog 1983; 6: 12–24
- Hammar M, Berg A, Son Kjessler B. In vitro metabolism of 3H‐pregnenlone and 3H‐progesterone by adult and prepubertal human testicular tissue before and during gonadotrophic treatment. Arch Androl
- Hellers C G, Leach D R. Quantification of Leydig cells and measurement of Leydig‐cell size following administration of human chorionic gonadotrophin to normal men. J Reprod Fertil 1971; 25: 185–192
- Holstein A F, Schirren C. Histological evaluation of testicular biopsies. Diagnostic aspects in andrology, C Schirren, A F Holstein. Grosse Verlag, Berlin 1983; 108–117
- Kjessler B, Berg Å, son. In vitro metabolism of 3H‐progesterone in human testicular tissue. III. Males with extremely high and low levels of gonadotrophic hormones in the peripheral circulation; including one “XX‐male”. Acta Endocrinol 1976; 207: 3648, Suppl
- Lunenfeld B, Olchovsky D, Tadir Y, Glezerman M. Treatment of male infertility with human gonadotrophins, selection of cases, management and results. Andrologia 1979; 11: 331–336
- Läckgren G, Berg Å, son. In vitro metabolism of progesterone in the human undescended testis. Int J Androl 1983; 6: 423–432
- Martikainen H, Huhtaniemi I, Lukkarinen O, Vihko R. Rapid and slow response of human testicular steroidogenesis to hCG by measurements of steroids in spermatic and peripheral vein blood. J Steroid Biochem 1982; 6: 287–291
- Matsumoto A M, Paulsen C A, Hopper B R, Rebar R W, Bremner B R. Human chorionic gonadotrophin and testicular function: Stimulation of testosterone, testosterone precursors, and sperm production despite high estradiol levels. J Clin Endocrinol Metab 1983; 56: 720–728
- Schill W ‐B. Medical treatment of idiopathic normogonadotropic oligozoospermia. Int J Androl 1982; 5: 135–153, Suppl
- Steinberger E, Steinberger A, Sanborn B. Endocrine control of spermatogenesis. Physiology and genetics of reproduction, E M Coutinho, F Fuchs. Plenum Press, New York and London 1974; 163–181