国产美女高潮无套久久,无码毛片视频一区二区本码,芒果视频在线观看,亚洲无码午夜免费精品,我和我的老熟女视频,亚洲免费美女动漫精品二区,爆乳放荡的女教师在线观看,国产真人一级a爱做片无码,久久9991电影黄片,日本欧美色三级18禁黄网站,亚洲欧美婬色多多,加勒比熟妇中文高清

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