The effect of crowding on the maturation of gonads in pine voles, Microtus pinetorum.
D000818:Animals; D003411:Arvicolinae / Q000502:physiology*; D003441:Crowding; D005260:Female; D005837:Genitalia, Male / Q000502:physiology*; D008297:Male; D012377:Rodentia / Q000502:physiology*; D012741:Sexual Maturation