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Start Over Authors Hecht, Jerry. ✖Remove constraint Authors: Hecht, Jerry. Titles [Mouse receives a drop of fluid from a syringe] ✖Remove constraint Titles: [Mouse receives a drop of fluid from a syringe] Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949 Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999

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