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![NATtrol CT/NG/TV Positive Control [6 x 1.0mL]](/web/image/product.product/4187/image_1024/%5B0002-NATCTNGTV-POS%5D%20NATtrol%20CT-NG-TV%20Positive%20Control%20%5B6%20x%201.0mL%5D?unique=67e0bf3)