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. 2011 Oct 31;2:9. doi: 10.1186/2041-1480-2-9

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Copyright ©2011 Lin et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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DL Query window in Protégé 4. An OWL DL query of Brucella virulent factors also being protective antigens using the OWL editor Protégé 4. The query script is shown on the top. The results are displayed at the bottom.