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Female
Male
3
Rats
3
estrogen
female
3
male
rat
Animal
2
Prolactin
2
animal experiment
2
nonhuman
2
opiate
2
prolactin release
2
puberty
2
serotonin
2
sex difference
2
testosterone
2
4 aminobutyric acid
1
Age Factors
1
Aminooxyacetic Acid
1
Animals
1
Brain
1
Brain sexual differentiation
1
Comparative Study
1
Dopamine
1
Gonadotropin
1
Gonadotropins
1
Hypothalamo-Hypophyseal System
1
Injections, Intraperitoneal
1
Injections, Intraventricular
1
-
1
-
2
-
3