Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001079973-20-000159-index.html | 2020-03-10 17:29:26 | |
| 0001079973-20-000159.txt | 2020-03-10 17:29:26 | |
| ex99x1.htm | 13435 | 2020-03-10 17:29:26 |
| opgn_8k425.htm | 20767 | 2020-03-10 17:29:26 |