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Animals
4
Male
article
4
male
Bufo arenarum
3
Testis
3
Testosterone
3
animal
3
testosterone
3
Amphibia
2
Anura
2
Chorionic Gonadotropin
2
Follicle Stimulating Hormone
2
Humans
2
Luteinizing Hormone
2
Spermatogenesis
2
antiserum
2
biosynthesis
2
chorionic gonadotropin
2
follitropin
2
human
2
luteinizing hormone
2
physiology
2
secretion
2
spermatogenesis
2
testis
2
toad
2
17,20 dihydroxy 4 pregnen 3 one
1
17,20-dihydroxy-4-pregnen-3-one
1
Age Factors
1
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1
-
2
-
3
-
4