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Dubin G, Socolof E, Frank I, Friedman HM.Dubin G, et al. Among authors: friedman hm.J Virol. 1991 Dec;65(12):7046-50. doi: 10.1128/JVI.65.12.7046-7050.1991.J Virol. 1991.PMID: 1658396Free PMC article.
Witmer LA, Rosenthal KL, Graham FL, Friedman HM, Yee A, Johnson DC.Witmer LA, et al. Among authors: friedman hm.J Gen Virol. 1990 Feb;71 ( Pt 2):387-96. doi: 10.1099/0022-1317-71-2-387.J Gen Virol. 1990.PMID: 2155292