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Margolskee RF, et al. Epstein-Barr virus shuttle vector for stable episomal replication of cDNA expression libraries in human cells. Mol. Cell. Biol. 8: 2837-2847, 1988. PubMed: 2841588

Mulligan RC, Berg P. Expression of a bacterial gene in mammalian cells. Science 209: 1422-1427, 1980. PubMed: 6251549

Southern PJ, Berg P. Transformation of mammalian cells to antibiotic resistance with a bacterial gene under control of the SV40 early region promoter. J. Mol. Appl. Genet. 1: 327-341, 1982. PubMed: 6286831

Okayama H, Berg P. A cDNA cloning vector that permits expression of cDNA inserts in mammalian cells. Mol. Cell. Biol. 3: 280-289, 1983. PubMed: 6300662

Mulligan RC, et al. Synthesis of rabbit beta-globin in cultured monkey kidney cells following infection with a SV40 beta-globin recombinant genome. Nature 277: 108-114, 1979. PubMed: 215915