prepubertal plasms lh and fsh values , lack of sleep-related hormone rhythms of the gonadotropins , as well as prepubertal responses of lh and fsh to acute stimulation with lhrh strongly suggests that a hypothalamic-pituitary abnormality is the cause of the hypogonadotropic hypogonadism observed in this patient .
C0023610
lhrh
C0020663
hypothalamic