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Deletion of pic results in decreased virulence for a clinical isolate of Shigella flexneri 2a from China: Backgr... http://t.co/0qpFxG2f
Deletion of pic results in decreased virulence for a clinical isolate of Shigella flexneri 2a from China: Backgr... http://t.co/0qpFxG2f
Deletion of pic results in decreased virulence for a clinical isolate of Shigella flexneri 2a from China: Backgr... http://t.co/nRrgyplI