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Start Over Formats Still image ✖Remove constraint Formats: Still image Subjects Heart -- physiology ✖Remove constraint Subjects: Heart -- physiology Titles How your heart works: how it can go wrong ✖Remove constraint Titles: How your heart works: how it can go wrong Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949

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  • How your heart works: how it can go wrong1