[1] Feldman HA, Longcope C, Derby CA, et al.Age trends in the level of serum testosterone and other hormones in middle-aged men: longitudinal results from the Massachusetts male aging study[J]. J Clin Endocrinol Metab,2002,87(2):589-598.
[2] Kelsey TW, Li LQ, Mitchell RT, et al.A validated age-related normative model for male total testosterone shows increasing variance but no decline after age 40 years[J]. PLoS One,2014,9(10):e109346.
[3] Milewicz A, Krzyzanowska-Swiniarska B, Miazgowski T, et al.The reference values of sex hormones and SHBG serum levels in subjects over 65 years old-The PolSenior Study[J]. Endokrynol Pol,2013,64(2):82-93.
[4] Swerdloff RS, Wang C. Free testosterone measurement by the analog displacement direct assay: old concerns and new evidence[J]. Clin Chem.2008 Mar;54(3):458-460.
[5] 李江源, 李小鹰, 李明, 等. 血清游离睾酮水平和睾酮分泌指数随年龄老化而降低[J]. 中华男科学杂志,2006,12(6):555-558.
