Preference for natural odors in rat pups: implications of a failure to replicate.
D000821:Animal Feed; D000818:Animals; D002755:Choice Behavior / Q000502:physiology*; D005243:Feces / Q000032:analysis; D005260:Female; D006863:Hydrogen-Ion Concentration; D009812:Odorants; D011247:Pregnancy; D051381:Rats