twice yearly , examination was made of the presence or absence of acne , pubertal maturation and the 24-hour urinary excretion of testosterone as determined by radioimmunnoassay , and of total 17-ketosteroids , dehydroepiandrosterone , androsterone , and etiocholanolone , as determined by paper chromatography .
C0000167
17-ketosteroids
C0002865
androsterone