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| 0001140361-12-015150.txt | 2012-03-13 15:05:17 | |
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| bstc-20111231.xml | 482237 | 2012-03-13 15:05:17 |
| bstc-20111231.xsd | 13940 | 2012-03-13 15:05:17 |
| bstc-20111231_cal.xml | 36779 | 2012-03-13 15:05:17 |
| bstc-20111231_def.xml | 16120 | 2012-03-13 15:05:17 |
| bstc-20111231_lab.xml | 172754 | 2012-03-13 15:05:17 |
| bstc-20111231_pre.xml | 98686 | 2012-03-13 15:05:17 |
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| ex31.htm | 17387 | 2012-03-13 15:05:17 |
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| FilingSummary.xml | 10619 | 2012-03-13 15:05:17 |
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