The meal patterns of the oestrous cycle and their motivational significance.
D000818:Animals; D003216:Conditioning, Operant; D004435:Eating; D004967:Estrogens / Q000502:physiology; D004971:Estrus; D005260:Female; D006815:Hunger; D009042:Motivation; D011247:Pregnancy; D051381:Rats; D012527:Satiation; D012726:Sexual Behavior, Animal; D013997:Time Factors
D004967:Estrogens