3) Belisle, S., Fencl, M., Osathanondh, R. and Tulchinsky, D. : Sources of 17α-hydroxy-pregnenolone and its sulfate in human pregnancy. J. Clin. Endocrinol. Metab., 46 : 721-728, 1978.
4) Forest, M.G. and Cathiard, A. : Ontogenic study of plasma 17α-hydroxyprogesterone in the human. I. postnatal period : evidence for a transient ovarian activity in infancy. Pediatr. Res., 12 : 6-11, 1978.
5) Hopper, B.R. and Yen, S.S.C. : Circulating concentrations of dehydroepiandrosterone and dehydroepiandrosterone sulfate during puberty. J. Clin. Endocrinol. Metab., 40 : 458-461, 1975.