title: Seasonal variations in gonadal hormones and social behavior in squirrel monkeys.
mesh_terms: D000818:Animals; D001835:Body Weight; D001947:Breeding; D004291:Dominance-Subordination; D004958:Estradiol / Q000097:blood*; D005260:Female; D000882:Haplorhini / Q000097:blood*; D008297:Male; D009043:Motor Activity / Q000502:physiology; D010988:Play and Playthings; D012453:Saimiri / Q000097:blood*; D012621:Seasons; D012726:Sexual Behavior, Animal / Q000502:physiology; D012919:Social Behavior; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D004958:Estradiol