Sexual behaviour of group-living adolescent chimpanzees.
D000818:Animals; D003307:Copulation; D004971:Estrus; D005260:Female; D008297:Male; D002679:Pan troglodytes / Q000502:physiology*; D010502:Perineum; D011247:Pregnancy; D012726:Sexual Behavior, Animal; D013997:Time Factors