Sexual behavior of captive lowland gorillas.
D000818:Animals; D003307:Copulation; D004542:Ejaculation; D005260:Female; D005836:Genitalia, Female / Q000502:physiology; D006071:Gorilla gorilla / Q000502:physiology; D006728:Hormones / Q000502:physiology; D008297:Male; D010507:Periodicity; D012726:Sexual Behavior, Animal / Q000502:physiology; D014828:Vocalization, Animal
D006728:Hormones