Matches in Library of Congress for { ?s ?p A simple explanation of the structure of the heart and how it works.. }
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- 68011067 abstract "A simple explanation of the structure of the heart and how it works.".
- 99041336 abstract "A simple explanation of the structure of the heart and how it works.".
- 68011067 description "A simple explanation of the structure of the heart and how it works.".
- 99041336 description "A simple explanation of the structure of the heart and how it works.".