title: On the sexual dyad in laboratory rat.
mesh_terms: D000818:Animals; D002369:Castration; D003307:Copulation; D004971:Estrus; D005260:Female; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006801:Humans; D008297:Male; D010152:Pair Bond; D011187:Posture; D011247:Pregnancy; D011627:Puberty; D051381:Rats; D012725:Sexual Behavior / Q000502:physiology; D012726:Sexual Behavior, Animal / Q000187:drug effects / Q000502:physiology; D013739:Testosterone / Q000494:pharmacology
chemical_list: D012739:Gonadal Steroid Hormones; D013739:Testosterone