lead concentration in blood and testes and the levels of testosterone and delta 4-androgen biosynthesis pathway precursors ( 4-androstenedione , 17-hydroxyprogesterone , and progesterone ) were measured in animals which were exposed to lead acetate in the drinking water ( 366 mg/l , 0.97 +/- 0.12 mg lead/animal/day ) during 6 months .
C0020387
17-hydroxyprogesterone
C0033308
progesterone