The actual article causing the problem is pone.0000008.zip.
These are the results Viru got from fedoragsearch:
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<lucenesearch ...>
<hit no="1" score="0.036502987">
<field name="PID">doi:10.1371%2Fjournal.pone.0000008</field>
<field name="property.type">FedoraObject</field>
<field name="property.state">Active</field>
<field name="property.createdDate">2006-11-22T23:06:02.921Z</field>
<field name="property.lastModifiedDate">2006-11-22T23:06:10.406Z</field>
<field name="property.contentModel">PlosArticle</field>
<field name="dc.title">Molecular Adaptation during Adaptive Radiation in ... </field>
<field name="dc.title">Background</field>
<field name="dc.title">Results</field>
<field name="dc.title">Significance</field>
<field name="dc.creator">Maxim V. Kapralov</field>
...