Wurm, F. M.2007-06-052007-06-052007-06-05199010.1016/1045-1056(90)90002-Hhttps://infoscience.epfl.ch/handle/20.500.14299/75972257128AnimalsCell LineGene AmplificationGene Expression RegulationGenetic Vectors/*physiologyPlasmids/*physiologyTransfection/geneticsIntegration, amplification and stability of plasmid sequences in CHO cell culturestext::journal::journal article::research article