No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aging
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Animals
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Animals, Newborn
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Cells, Cultured
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Collagen / metabolism*
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Fibroblasts / metabolism
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Heart / growth & development*
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Microscopy, Electron
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Microscopy, Electron, Scanning
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Myocardium / metabolism*
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Myocardium / ultrastructure
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Rats