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| 0001354488-13-002661-index.html | 2013-05-13 17:20:31 | |
| 0001354488-13-002661.txt | 2013-05-13 17:20:31 | |
 0001354488-13-002661-xbrl.zip | 102250 | 2013-05-13 17:20:31 |
| FilingSummary.xml | 15246 | 2013-05-13 17:20:31 |
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| pbio-20121231.xsd | 36178 | 2013-05-13 17:20:31 |
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| pbio_ex312.htm | 10197 | 2013-05-13 17:20:31 |
| pbio_ex321.htm | 6656 | 2013-05-13 17:20:31 |
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| R9.htm | 16538 | 2013-05-13 17:20:31 |
| report.css | 2721 | 2013-05-13 17:20:31 |
| Show.js | 6423 | 2013-05-13 17:20:31 |