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| 0001564590-15-001409-index.html | 2015-03-06 17:15:21 | |
| 0001564590-15-001409.txt | 2015-03-06 17:15:21 | |
| atra-10ka_20141231.htm | 43238 | 2015-03-06 17:15:21 |
| atra-ex211_201412318.htm | 3674 | 2015-03-06 17:15:21 |
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