title: Mouse brain DNA-dependent RNA polymerases after chronic morphine treatment.
mesh_terms: D000818:Animals; D001921:Brain / Q000201:enzymology*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004361:Drug Tolerance; D006801:Humans; D008274:Magnesium / Q000378:metabolism; D008297:Male; D008345:Manganese / Q000378:metabolism; D051379:Mice; D008813:Mice, Inbred ICR; D009020:Morphine / Q000494:pharmacology; D009021:Morphine Dependence / Q000201:enzymology*; D009270:Naloxone / Q000494:pharmacology
chemical_list: D009270:Naloxone; D008345:Manganese; D009020:Morphine; D012321:DNA-Directed RNA Polymerases; D008274:Magnesium