title: Accessibility and structure of ribosomal RNA monitored by slow tritium exchange of ribosomes.
mesh_terms: D001483:Base Sequence; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis*; D009690:Nucleic Acid Conformation; D012329:RNA, Bacterial; D012270:Ribosomes / Q000032:analysis; D013997:Time Factors; D014316:Tritium
chemical_list: D012329:RNA, Bacterial; D014316:Tritium