title: Preparative two-dimensional polyacrylamide gel electrophoresis of  32 P-labeled RNA.
mesh_terms: D001345:Autoradiography; D002021:Buffers; D004396:Coloring Agents; D004591:Electrophoresis, Polyacrylamide Gel / Q000295:instrumentation; D006863:Hydrogen-Ion Concentration; D010759:Phosphorus Isotopes; D012367:RNA, Viral / Q000032:analysis*; D014508:Urea
chemical_list: D002021:Buffers; D004396:Coloring Agents; D010759:Phosphorus Isotopes; D012367:RNA, Viral; D014508:Urea