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. 2007 Mar 7;2(3):e272. doi: 10.1371/journal.pone.0000272

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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Photographs of three beetle specimens before (A,B,C) and after (a,b,c) overnight treatment in the extraction buffer. The specimens are as follows: A/a Platyrhopalopsis mellei (collected in 1966), B/b Protopaussus sp. B (collected in 2002), C/c Heteropaussus hastatus (collected in 1980).