to elucidate whether diminished pituitary gonadotropin reserve can be restored by repeated stimulation with luteinizing-hormone-releasing hormone , plasma luteinizing hormone and follicly-stimulating hormone responses were studied before and after daily intravenous infusion of 400 mug of luteinizing-hormone-releasing hormone for two to 23 days , in patients with hypogonadotropic hypogonadism of various causes .
C0018066
pituitary gonadotropin
C0023607
luteinizing hormone