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