APA

Leifke E., Gorenoi V., Wichers C., Von Zur Mühlen, Von Büren & Brabant G. (20010301). Age-related changes of serum sex hormones, insulin-like growth factor-1 and sex-hormone binding globulin levels in men: cross-sectional data from a healthy male cohort. : Clinical endocrinology.

Chicago

Leifke E, Gorenoi V, Wichers C, Von Zur Mühlen, Von Büren and Brabant G. 20010301. Age-related changes of serum sex hormones, insulin-like growth factor-1 and sex-hormone binding globulin levels in men: cross-sectional data from a healthy male cohort. : Clinical endocrinology.

Harvard

Leifke E., Gorenoi V., Wichers C., Von Zur Mühlen, Von Büren and Brabant G. (20010301). Age-related changes of serum sex hormones, insulin-like growth factor-1 and sex-hormone binding globulin levels in men: cross-sectional data from a healthy male cohort. : Clinical endocrinology.

MLA

Leifke E, Gorenoi V, Wichers C, Von Zur Mühlen, Von Büren and Brabant G. Age-related changes of serum sex hormones, insulin-like growth factor-1 and sex-hormone binding globulin levels in men: cross-sectional data from a healthy male cohort. : Clinical endocrinology. 20010301.