title: RNA polymerase activity in human brain tumors.
mesh_terms: D001706:Biopsy; D001932:Brain Neoplasms / Q000201:enzymology*; D002467:Cell Nucleus / Q000201:enzymology; D003513:Cycloheximide / Q000494:pharmacology; D012321:DNA-Directed RNA Polymerases / Q000037:antagonists & inhibitors* / Q000378:metabolism; D006801:Humans; D009183:Mycotoxins / Q000494:pharmacology; D012293:Rifampin / Q000494:pharmacology
chemical_list: D009183:Mycotoxins; D003513:Cycloheximide; D012321:DNA-Directed RNA Polymerases; D012293:Rifampin