1. Adrenal androgen excess in hyperandrogenism: relation to age and body mass 
Carlos Morán, M.D., Eric Knochenhauer, M.D., Larry R Boots, Ph.D., Ricardo Azziz, M.D. 
Fertility and Sterility 
Volume 71, Issue 4, Pages (April 1999)
DOI: /S (98)

2. FIGURE 1
Scattergram of DHEAS levels vs. age in 145 consecutively seen, untreated, hyperandrogenic women of reproductive age. Note that the DHEAS levels are negatively correlated with age.
Fertility and Sterility  , DOI: ( /S (98) )