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Weigent DA, Langford MP, Smith EM, Blalock JE, Stanton GJ.Weigent DA, et al. Among authors: stanton gj.Infect Immun. 1981 May;32(2):508-12. doi: 10.1128/iai.32.2.508-512.1981.Infect Immun. 1981.PMID: 6166556Free PMC article.