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article
3
chorionic gonadotropin
3
spermatogenesis
testosterone
3
Amphibia
2
Animals
2
Anura
2
Bufo arenarum
2
Chorionic Gonadotropin
2
Humans
2
Male
2
Spermatogenesis
2
Spermiation
2
Steroids
2
Testosterone
2
animal
2
biosynthesis
2
human
2
male
2
physiology
2
progesterone
2
secretion
2
steroid
2
testis
2
toad
2
17 hydroxypregnenolone
1
17,20 dihydroxy 4 pregnen 3 one
1
17,20-dihydroxy-4-pregnen-3-one
1
17,20beta dihydroxypregn 4 en 3 one
1
Amphibians
1
-
1
-
2
-
3