to study the effectiveness of hcg and hmg administration on spermatogenesis of patients with hypogonadotropic hypogonadism ( hh ) , the dna synthesis of spermatogonia was investigated by the method of 3h-thymidine uptake by cultured tissue fragments of human testis with or without treatment with hcg and/or hmg .
C0037864
spermatogenesis
C0039597
testis