to assess the validity of serum dehydroepiandrosterone sulphate ( ds ) radioimmunoassay instead of urinary total 17-ketosteroid ( 17-ks ) or individual metabolite ( dehydroepiandrosterone + etiocholanolone + androsterone ; d + e + a ) determination to control adrenal androgen function , a comparative study has been performed .
C0000167
17-ketosteroid
C0011185
etiocholanolone