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Ma ZM, Stone M, Piatak M Jr, Schweighardt B, Haigwood NL, Montefiori D, Lifson JD, Busch MP, Miller CJ.Ma ZM, et al. Among authors: schweighardt b.J Virol. 2009 Apr;83(7):3288-97. doi: 10.1128/JVI.02423-08. Epub 2009 Jan 7.J Virol. 2009.PMID: 19129448Free PMC article.