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Taylor DN, Phillip DF, Zapor M, Trofa A, Van de Verg L, Hartman A, Bendiuk N, Newland JW, Formal SB, Sadoff JC, et al.Taylor DN, et al. Among authors: formal sb.Vaccine. 1994 May;12(6):565-8. doi: 10.1016/0264-410x(94)90318-2.Vaccine. 1994.PMID: 8036831Clinical Trial.
Venkatesan M, Fernandez-Prada C, Buysse JM, Formal SB, Hale TL.Venkatesan M, et al. Among authors: formal sb.Vaccine. 1991 May;9(5):358-63. doi: 10.1016/0264-410x(91)90064-d.Vaccine. 1991.PMID: 1872021
Herrington DA, Van de Verg L, Formal SB, Hale TL, Tall BD, Cryz SJ, Tramont EC, Levine MM.Herrington DA, et al. Among authors: formal sb.Vaccine. 1990 Aug;8(4):353-7. doi: 10.1016/0264-410x(90)90094-3.Vaccine. 1990.PMID: 2204243Clinical Trial.