https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763030149139&signature=651c4e8b36663866ae3ca028bd07a9d3&articleTitle=LABORATORY+TECHNIQUES+IN+BIOCHEMISTRY+AND+MOLECULAR+BIOLOGY++SEPARATION+METHODS+FOR+NUCLEIC+ACIDS+AND+OLIGONUCLEOTIDES&articleAuthor=HANNAH+GOULD+AND+H.R.MATTHEWS&publicationTitle=LABORATORY+TECHNIQUES+IN+BIOCHEMISTRY+AND+MOLECULAR+BIOLOGY++SEPARATION+METHODS+FOR+NUCLEIC+ACIDS+AND+OLIGONUCLEOTIDES&language=&publicationType=1&publishYear=1976&isn=0444108688&publisher=AMERICAN+ELSEVIER+PUBLISHING+CO.INC.