title: The sequence analysis of polyribonucleotides by stepwise chemical degradation. A method for the introduction of radioactive label into nucleoside fragments after cleavage.
mesh_terms: D007553:Isotope Labeling; D008722:Methods; D009705:Nucleosides / Q000032:analysis*; D011119:Polynucleotides / Q000032:analysis*
chemical_list: D009705:Nucleosides; D011119:Polynucleotides