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Start Over Subjects Great Lakes Region ✖Remove constraint Subjects: Great Lakes Region Titles The mortality of surgical operations in the upper Lake States compared with that of other regions ✖Remove constraint Titles: The mortality of surgical operations in the upper Lake States compared with that of other regions Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • The mortality of surgical operations in the upper Lake States compared with that of other regions1