title: Morphine dependence in rats produced after five days of ingestion.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001835:Body Weight; D004032:Diet; D004327:Drinking Behavior; D005247:Feeding Behavior; D006801:Humans; D007267:Injections; D008297:Male; D009020:Morphine / Q000008:administration & dosage*; D009021:Morphine Dependence; D009269:Nalorphine / Q000008:administration & dosage; D051381:Rats; D013375:Substance Withdrawal Syndrome; D013997:Time Factors
chemical_list: D009020:Morphine; D009269:Nalorphine