microsomal fractions obtained from testes of 3-week-old piglets have been incubated , separately , with progesterone , 17-hydroxyprogesterone , 5-pregnene-3 beta,20 beta-diol , 16 alpha-hydroxypregnenolone , 5-androstene-3 beta,17 alpha-diol and dehydro-epiandrosterone .
C0033308
progesterone
C0020387
17-hydroxyprogesterone