Objective To investigate the relationships of serum estradiol(E_2),testosterone (TTT),dehydroepiandrosterone sulfate(DHEAS)levels with aging and bone mineral density(BMD) of multiple skeletal sites in elderly men.

• 目的探讨老年男性的性激素水平,包括血清睾酮(TTT)、雌二醇(F_2)、脱氢表雄酮硫酸酯(DHEAS)随年龄的变化及与多部位骨密度(BMD)之间的关系。