this study thus revealed the age-related changes in 17-hydroxypregnenolone and its sulfate concentrations in infancy and childhood and indicated that , in the process in which the adrenal cortex was differentiated to the definitive form , the decrease in the activity of steroid sulfotransferase in infancy and childhood occurred more slowly than the increase in that of 3 beta-hydroxysteroid dehydrogenase .
C0231330
infancy
C0231335
childhood