all fractions can be recalled later and printed out in the order of detection or can be transformed into several diagnostically valuable parameters such as the total sum of 17-ketosteroids and pregnanes excreted , the group sums of androgens , of 11-substituted steroids and of pregnanes , the individual percentages of both the fractions and the group sums , and the ratios of aetiocholanolone-androsterone and of pregnanetriol-pregnanediol .
C0000167
17-ketosteroids
C0002865
androsterone