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        <title>The nucleosome organization in 30nm fiber</title>
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            <author>Eltsov M</author>
            <author>Frangakis AS</author>
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                    <title>Evidence for short-range helical order in the 30-nm chromatin fibers of erythrocyte nuclei.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
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                    <first_page>16992</first_page>
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                    <year>2011</year>
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