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Start Over Subjects Risk Assessment ✖Remove constraint Subjects: Risk Assessment Titles The relative value of certain obstetrical operations: embryotomy, Cesarean section, symphysiotomy ✖Remove constraint Titles: The relative value of certain obstetrical operations: embryotomy, Cesarean section, symphysiotomy Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • The relative value of certain obstetrical operations: embryotomy, Cesarean section, symphysiotomy1