[2]. Michael W O'Reilly, et al. 11-Oxygenated C19 Steroids Are the Predominant Androgens in Polycystic Ovary Syndrome. J Clin Endocrinol Metab. 2017 Mar 1;102(3):840-848.
[1]. Yuhei Koyama, et al. Two-step Biochemical Differential Diagnosis of Classic 21-hydroxylase Deficiency and Cytochrome P450 Oxidoreductase Deficiency in Japanese Infants by GC-MS Measurement of Urinary Pregnanetriolone/ Tetrahydroxycortisone Ratio and 11β-hydroxyandrosterone. Clin Chem. 2012 Apr;58(4):741-7.
[1]. Yuhei Koyama, et al. Two-step Biochemical Differential Diagnosis of Classic 21-hydroxylase Deficiency and Cytochrome P450 Oxidoreductase Deficiency in Japanese Infants by GC-MS Measurement of Urinary Pregnanetriolone/ Tetrahydroxycortisone Ratio and 11β-hydroxyandrosterone. Clin Chem. 2012 Apr;58(4):741-7.
[2]. Michael W O'Reilly, et al. 11-Oxygenated C19 Steroids Are the Predominant Androgens in Polycystic Ovary Syndrome. J Clin Endocrinol Metab. 2017 Mar 1;102(3):840-848.