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Jin X, Roberts CG, Nixon DF, Cao Y, Ho DD, Walker BD, Muldoon M, Korber BT, Koup RA.Jin X, et al. Among authors: walker bd.J Infect Dis. 1998 Nov;178(5):1317-26. doi: 10.1086/314455.J Infect Dis. 1998.PMID: 9780251