TOLERANCE TO AND PHYSICAL DEPENDENCE ON MORPHINE IN RATS.
D004361:Drug Tolerance; D007108:Immune Tolerance; D009020:Morphine; D009021:Morphine Dependence; D051381:Rats; D012106:Research; D019966:Substance-Related Disorders
D009020:Morphine
DRUG TOLERANCE; EXPERIMENTAL LAB STUDY; MORPHINE; MORPHINE ADDICTION; RATS