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Lee CM, Bih FY, Chao YC, Govindarajan S, Lai MM.Lee CM, et al. Among authors: chao yc.Virology. 1992 May;188(1):265-73. doi: 10.1016/0042-6822(92)90756-f.Virology. 1992.PMID: 1566577
Lai MM, Chao YC, Chang MF, Lin JH, Gust I.Lai MM, et al. Among authors: chao yc.Prog Clin Biol Res. 1991;364:283-92.Prog Clin Biol Res. 1991.PMID: 2020704