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美国卫生研究院文献>The London Medical Journal
>Tracts on Inoculation Written and Published at St. Petersburg in the Year 1768 by Command of Her Imperial Majesty the Empress of All the Russias: With Additional Observations on Epidemic Small Pox on the Nature of That Disease and on the Different Success of the Various Modes of Inoculation
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Tracts on Inoculation Written and Published at St. Petersburg in the Year 1768 by Command of Her Imperial Majesty the Empress of All the Russias: With Additional Observations on Epidemic Small Pox on the Nature of That Disease and on the Different Success of the Various Modes of Inoculation
