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Start Over Subjects Singapore ✖Remove constraint Subjects: Singapore Titles A physician uses a stethoscope to listen to the heart of a young boy ✖Remove constraint Titles: A physician uses a stethoscope to listen to the heart of a young boy Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999

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  • A physician uses a stethoscope to listen to the heart of a young boy1