[A clinical study on male infertility].
D000328:Adult; D006062:Gonadotropins / Q000652:urine; D006801:Humans; D007248:Infertility, Male / Q000503:physiopathology*; D008297:Male; D013091:Spermatogenesis; D013737:Testis / Q000503:physiopathology*
D006062:Gonadotropins