Williams, J. E., & Cavanaugh, D. C. (1979). Measuring the efficacy of vaccination in affording protection against plague.
Citação norma ChicagoWilliams, James E., and Dan C. Cavanaugh. Measuring the Efficacy of Vaccination in Affording Protection against Plague. 1979.
MLA CitationWilliams, James E., and Dan C. Cavanaugh. Measuring the Efficacy of Vaccination in Affording Protection against Plague. 1979.
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