title: New approach to the synthesis of polyribonucleotides of defined sequence.
mesh_terms: D001483:Base Sequence; D002852:Chromatography, Ion Exchange; D008722:Methods; D009702:Nucleoside Diphosphate Sugars / Q000138:chemical synthesis; D009713:Nucleotidyltransferases; D011119:Polynucleotides / Q000138:chemical synthesis*; D012265:Ribonucleotides / Q000138:chemical synthesis
chemical_list: D009702:Nucleoside Diphosphate Sugars; D011119:Polynucleotides; D012265:Ribonucleotides; D009713:Nucleotidyltransferases