title: Improved phosphotriester method for the synthesis of gene fragments.
mesh_terms: D001483:Base Sequence; D002845:Chromatography / Q000379:methods; D004247:DNA / Q000138:chemical synthesis*; D004951:Esterification; D005796:Genes; D009838:Oligodeoxyribonucleotides / Q000138:chemical synthesis* / Q000302:isolation & purification; D009841:Oligonucleotides / Q000138:chemical synthesis*; D012997:Solvents
chemical_list: D009838:Oligodeoxyribonucleotides; D009841:Oligonucleotides; D012997:Solvents; D004247:DNA