Varicocele in infertility: incidence and results of surgical therapy.
D005260:Female; D005298:Fertility; D005832:Genital Diseases, Male / Q000209:etiology / Q000601:surgery; D006801:Humans; D007248:Infertility, Male / Q000209:etiology*; D008026:Ligation; D008297:Male; D011247:Pregnancy; D012661:Semen / Q000032:analysis; D013737:Testis / Q000098:blood supply; D014646:Varicocele / Q000150:complications* / Q000453:epidemiology / Q000601:surgery; D014680:Veins / Q000601:surgery