TY - RPRT TI - Assaying extrachromosomal gene therapy vectors that carry replication/persistence elements. AU - MP Calos AU - CR Sclimenti PY - 1998 DO - 10.1016/s0169-409x(97)00103-8 UR - https://pubmed.ncbi.nlm.nih.gov/10837598/ ID - 10837598 ER -