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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Authors Jahr, G. H. G. (Gottlieb Heinrich Georg), 1800-1875, author ✖Remove constraint Authors: Jahr, G. H. G. (Gottlieb Heinrich Georg), 1800-1875, author Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Jahr, G. H. G. (Gottlieb Heinrich Georg), 1800-1875, author1