title: Differences between male and female rats in the temporal patterning of copulation.
mesh_terms: D000818:Animals; D003307:Copulation; D004542:Ejaculation; D004971:Estrus; D005260:Female; D008297:Male; D009115:Muridae; D011247:Pregnancy; D012726:Sexual Behavior, Animal; D013997:Time Factors