concentrations of testosterone , 5d-dihydrotestosterone , hydrocortisone and precursors ( progesterone , pregnenolone , 17-hydroxyprogesterone , 17-hydroxypregnenolone and 11-deoxycortisol ) were determined in peripheral blood plasma by radioimmunoassay .
C0373704
pregnenolone
C0376260
17-hydroxypregnenolone