title: Loss of genes coding for ribosomal RNA in ageing brain cells.
mesh_terms: D000375:Aging; D000818:Animals; D001667:Binding, Competitive; D001921:Brain; D004247:DNA; D004285:Dogs; D005796:Genes; D005815:Genetic Code; D006824:Hybridization, Genetic; D008099:Liver; D012335:RNA, Ribosomal; D012441:Saccharomyces cerevisiae; D013154:Spleen; D014316:Tritium
chemical_list: D012335:RNA, Ribosomal; D014316:Tritium; D004247:DNA