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A discourse on the preparation of the body for the small-pox: and the manner of receiving the infection ; as it was deliver'd in the publick hall of the Academy, before the trustees, and others, on Wednesday, the 21st of November, 1750
A discourse on the preparation of the body for the small-pox: and the manner of receiving the infection ; as it was deliver'd in the publick hall of the Academy, before the trustees, and others, on Wednesday, the 21st of November, 1750