Differences in oral intake of morphine by two strains of rats.
D000818:Animals; D001522:Behavior, Animal; D004327:Drinking Behavior; D006851:Hydrochloric Acid / Q000008:administration & dosage; D008297:Male; D009020:Morphine / Q000008:administration & dosage*; D011803:Quinine / Q000008:administration & dosage; D051381:Rats; D011919:Rats, Inbred Strains; D013045:Species Specificity; D013464:Sulfuric Acids / Q000008:administration & dosage; D013997:Time Factors
D013464:Sulfuric Acids; D009020:Morphine; D011803:Quinine; D006851:Hydrochloric Acid