the endocrine profile of low serum testosterone concentrations with gonadotrophins which had not risen into the range usually seen in primary hypogonadism ( together with the parallel increase of lh and testosterone in one patient studied sequentially during treatment which suppressed prolactin levels to normal ) , suggested that the impaired gonadal function was caused by a prolactin-mediated disturbance of hypothalamic-pituitary function .
C0018061
gonadotrophins
C0018067
gonadal