title: Evidence for long-lived RNA in mammalian tissues.
mesh_terms: D000367:Age Factors; D000375:Aging; D000818:Animals; D001921:Brain / Q000378:metabolism; D002250:Carbon Radioisotopes; D006207:Half-Life; D007668:Kidney / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D008297:Male; D008722:Methods; D009711:Nucleotides / Q000378:metabolism; D009963:Orotic Acid / Q000378:metabolism; D012313:RNA / Q000032:analysis / Q000378:metabolism*; D051381:Rats; D013056:Spectrophotometry, Ultraviolet; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D009711:Nucleotides; D014316:Tritium; D009963:Orotic Acid; D012313:RNA