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![NATtrol Monkeypox Virus External Run Control [6 x 0.5mL Vials]](/web/image/product.product/4229/image_1024/%5B0002-NATMPXV-ERC%5D%20NATtrol%20Monkeypox%20Virus%20External%20Run%20Control%20%5B6%20x%200.5mL%20Vials%5D?unique=67e0bf3)