Induction of oestrous behaviour: facilitation by repeated hormone treatments.
D000818:Animals; D004357:Drug Synergism; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus; D005260:Female; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
D011374:Progesterone; D004958:Estradiol