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Start Over Subjects Physicians ✖Remove constraint Subjects: Physicians Subjects Ligation ✖Remove constraint Subjects: Ligation Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999 Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949 Publication Year 1940 ✖Remove constraint Publication Year: 1940

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