Correlations between plasma testosterone and other sex steroid hormone levels.

<p>Correlations between log-transformed plasma testosterone levels and log-transformed plasma 17β estradiol levels in females (A) and correlations between log-transformed plasma testosterone levels and log-transformed plasma 11-ketotestosterone levels in males (B). Solid lines and dotted lines indicate regression lines for the Japan Sea form and the Pacific Ocean form, respectively. Closed circles, Japan Sea form; open circles, Pacific Ocean form.