1. The use of testosterone as a male contraceptive;Amory;Balliere Clin Endocrinol.,1998
2. A lower dosage levonorgestrel and testosterone combination effectively suppresses spermatogenesis and circulating gonadotropin levels with fewer metabolic effects than higher dosage combinations;Anawalt;J Androl.,1999
3. Comparison between testosterone enanthate-induced azoospermia and oligozoospermia in a male contraceptive study. III. Higher 5aP-reductase activity in oligozoospermic men administered supraphysiological doses of testosterone;Anderson;J Clin Endocrinol Metab.,1996
4. Follicle-stimulating hormone and human spermatogenesis;Bremner;J Clin Invest.,1981
5. Granulosa cell aromatase bioassay for follicle-stimulating hormone;Dahl;Methods Enzymol.,1989