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Female
Male
5
Rats
5
female
5
male
nonhuman
5
rat
sex difference
animal experiment
4
article
4
controlled study
4
priority journal
4
Animals
3
Sex Characteristics
3
gonadotropin
3
newborn
3
ontogeny
3
Animal
2
Brain
2
Hypothalamus
2
Ontogeny
2
Pituitary
2
Pituitary Gland, Anterior
2
Prolactin
2
Rats, Sprague-Dawley
2
Sex Maturation
2
adolescent
2
animal cell
2
animal tissue
2
estrogen
2
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5JOUR