1. Determinants of Serum Total and Free Testosterone Levels in Women over the Age of 65 Years Cappola, Anne R.; Ratcliffe, Sarah J.; Bhasin, Shalender; Blackman, Marc R.; Cauley, Jane; Robbins, John; Zmuda, Joseph M.; Harris, Tamara; Fried, Linda P. 2007 Articles TestosteroneOlder womenEndocrinologyAgingEpidemiology