1. Hormonal control of mammalian spermatogenesis;Steinberger;Physiol Rev,1971
2. Clinical evaluation of testosterone pellet implantation in the testis asa treatment of male infertility;Oshima,1977
3. Hormonal regulation of spermatogenesis;Hansson;Vitam Horm,1976
4. Pituitary-testicular axis;Bardin,1978
5. What is oligospermia?;Smith,1977