TY - RPRT TI - A replication-competent retrovirus arising from a split-function packaging cell line was generated by recombination events between the vector, one of the packaging constructs, and endogenous retroviral sequences. AU - H Chong AU - W Starkey AU - R G Vile PY - 1998 DO - 10.1128/jvi.72.4.2663-2670.1998 UR - https://pubmed.ncbi.nlm.nih.gov/9525583/ ID - 9525583 ER -