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Hjelle B, Lee SW, Song W, Torrez-Martinez N, Song JW, Yanagihara R, Gavrilovskaya I, Mackow ER.Hjelle B, et al.J Virol. 1995 Dec;69(12):8137-41. doi: 10.1128/JVI.69.12.8137-8141.1995.J Virol. 1995.PMID: 7494337Free PMC article.