Tsujimura A,Matsumiya K,Miyagawa Y,et al.Comparative study on evaluation methods for serum testosterone level for PADAM diagnosis.Int J Impot Res 2005;17(3):259-263.
[3]
Wang C,Nieschlag E,Swerdloff R,et al.Investigation,treatment and monitoring of late-onset hypogonadism in males:ISA,ISSAM,EAU,EAA and ASA recommendations[J].Eur J Endocrinol,2008,159(5):507-514.
Gray A,Feldman A,McKinlay J B,et al.Age,disease,and changing sex homone levels in middle-aged man:results of the Massachusetts Male Aging Study [J].J Clin Endocrinol Metab,1991,73:1016-1025.
[6]
Harman S M,Metter E J,Tobin J D,et al.Longitudinal effects of aging on serum total and free testosterone levels in healthy men [J].J Clin Endocrinol Metab,2001,86:724-731.