title: Concentration-ingestion relations of morphine-adulterated food and morphine solution.
mesh_terms: D000284:Administration, Oral; D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D004326:Drinking; D004339:Drug Compounding; D004435:Eating; D005247:Feeding Behavior; D005503:Food Additives; D005518:Food Preferences; D006801:Humans; D008297:Male; D009020:Morphine / Q000008:administration & dosage*; D009021:Morphine Dependence; D051381:Rats; D013375:Substance Withdrawal Syndrome; D013395:Sucrose
chemical_list: D005503:Food Additives; D013395:Sucrose; D009020:Morphine