title: Simple agar--urea-gel electrophoretic fractionation of high molecular weight ribonucleic acids.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D004587:Electrophoresis, Agar Gel / Q000379:methods; D008099:Liver; D008970:Molecular Weight; D012313:RNA / Q000302:isolation & purification*; D012335:RNA, Ribosomal / Q000302:isolation & purification; D051381:Rats; D012441:Saccharomyces cerevisiae; D014508:Urea
chemical_list: D012335:RNA, Ribosomal; D012313:RNA; D014508:Urea