title: Phenobarbital-induced increases in methylation of ribosomal precursor ribonucleic acid.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000378:metabolism; D004247:DNA / Q000378:metabolism; D066298:In Vitro Techniques; D008099:Liver / Q000648:ultrastructure; D008297:Male; D008745:Methylation; D008780:Methyltransferases / Q000378:metabolism; D008862:Microsomes, Liver / Q000378:metabolism; D009963:Orotic Acid / Q000378:metabolism; D010634:Phenobarbital / Q000494:pharmacology*; D012313:RNA / Q000378:metabolism*; D051381:Rats; D012270:Ribosomes / Q000378:metabolism*; D013268:Stimulation, Chemical
chemical_list: D009963:Orotic Acid; D012313:RNA; D004247:DNA; D008780:Methyltransferases; D010634:Phenobarbital