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Levine MM, Nataro JP, Karch H, Baldini MM, Kaper JB, Black RE, Clements ML, O'Brien AD.Levine MM, et al.J Infect Dis. 1985 Sep;152(3):550-9. doi: 10.1093/infdis/152.3.550.J Infect Dis. 1985.PMID: 2863318
Nataro JP, Deng Y, Maneval DR, German AL, Martin WC, Levine MM.Nataro JP, et al. Among authors: levine mm.Infect Immun. 1992 Jun;60(6):2297-304. doi: 10.1128/iai.60.6.2297-2304.1992.Infect Immun. 1992.PMID: 1350273Free PMC article.
Black RE, Levine MM, Ferreccio C, Clements ML, Lanata C, Rooney J, Germanier R.Black RE, et al. Among authors: levine mm.Vaccine. 1990 Feb;8(1):81-4. doi: 10.1016/0264-410x(90)90183-m.Vaccine. 1990.PMID: 2180234Clinical Trial.