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testosterone
article
6
testis
6
male
5
Animals
4
Anura
4
Bufo arenarum
4
Male
4
Testis
4
Testosterone
4
animal
4
chorionic gonadotropin
4
toad
4
Amphibia
3
enzyme activity
3
nonhuman
3
progesterone
3
spermatogenesis
3
steroid
3
steroid 17alpha monooxygenase
3
Amphibians
2
Androgens
2
Chorionic Gonadotropin
2
Humans
2
Kinetics
2
Seasons
2
Spermatogenesis
2
Spermiation
2
Steroids
2
androgen
2
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