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Steroid levels in the testis and epididymis in adults. (A) Dosage of 17β-estradiol (E2), testosterone and DHEA concentrations in control and CYP19A1−/− adult testes by GC/MS. (B) Dosage of 17β-estradiol (E2) in the head and the tail of epididymis. Control n = 4 to 6; CYP19A1−/− n = 5. The median is shown in red. ND: not detected. Mann–Whitney test: p-value < 0.05. ns: non-significant.
