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| PR:Q67207 | matrix protein 2 (Influenza A virus (strain A/Swine/Wisconsin/1/1961 H1N1)) | | |  | | |
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| PR:Q67207 | matrix protein 2 (Influenza A virus (strain A/Swine/Wisconsin/1/1961 H1N1)) | | |  | | |
 |  |  |  |  |
    |
| PR:Q67207 | matrix protein 2 (Influenza A virus (strain A/Swine/Wisconsin/1/1961 H1N1)) | | |  | | |