the temporal response patterns of the concentrations of serum testosterone , oestradiol , 17-hydroxyprogesterone , pregnenolone , progesterone , androstenedione and 5 alpha-dihydrotestosterone to a single i.m . dose of hcg ( 5000 iu/1.7 m2 ) were investigated in prepubertal and early pubertal cryptorchid boys , and compared with the response patterns obtained earlier in adult men .
C0020387
17-hydroxyprogesterone
C0033308
progesterone