title: Effects of castration on aggression between male mongolian gerbils.
mesh_terms: D000374:Aggression / Q000502:physiology*; D000818:Animals; D001522:Behavior, Animal / Q000502:physiology; D001835:Body Weight; D002369:Castration; D004777:Environment; D005849:Gerbillinae / Q000502:physiology*; D006801:Humans; D008297:Male; D010675:Pheromones / Q000502:physiology
chemical_list: D010675:Pheromones