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Citation |
Fernbach SK, Tucker GF. Radiology 1986; 158(2): 512. |
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Copyright |
(Copyright © 1986, Radiological Society of North America) |
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DOI |
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PMID |
3941880 |
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Abstract |
The United States of America changed the composition of the penny in 1982. It is now a copper-plated, zinc-based coin. Erosions of the edge of this new coin were observed when it was impacted in the esophagus of a 13-month-old child. Language: en |