title: Base compositional analysis of nanogram quantities of unlabeled nucleic acids.
mesh_terms: D004247:DNA; D003854:Deoxyribonucleotides / Q000032:analysis*; D004590:Electrophoresis, Paper; D007553:Isotope Labeling / Q000379:methods; D008832:Microchemistry; D010761:Phosphorus Radioisotopes; D012313:RNA; D012265:Ribonucleotides / Q000032:analysis*
chemical_list: D003854:Deoxyribonucleotides; D010761:Phosphorus Radioisotopes; D012265:Ribonucleotides; D012313:RNA; D004247:DNA