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Female
Male
12
Rats
12
Sex Characteristics
animal experiment
12
article
12
controlled study
12
female
12
male
nonhuman
12
priority journal
rat
sex difference
Animals
10
Rats, Sprague-Dawley
6
animal tissue
6
newborn
6
noradrenalin
6
Estrogens
4
Norepinephrine
4
Ontogeny
4
Ovariectomy
4
Time Factors
4
adolescent
4
animal cell
4
drug effect
4
estrogen
4
gonadorelin
4
gonadotropin
4
hypothalamus
4
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