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![ELISA: Universal Vanillylmandelic Acid (VMA) ELISA Kit (Colorimetric) [NBP3-18014] - Samples were spiked with high concentrations of Vanillylmandelic Acid (VMA) and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.](http://images.novusbio.com/fullsize/nbp3-18014_universal-vanillylmandelic-acid-vma-elisa-kit-color-13220241617561.jpg "ELISA: Universal Vanillylmandelic Acid (VMA) ELISA Kit (Colorimetric) [NBP3-18014] - Samples were spiked with high concentrations of Vanillylmandelic Acid (VMA) and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.")
![ELISA: Universal Vanillylmandelic Acid (VMA) ELISA Kit (Colorimetric) [NBP3-18014] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp3-18014_universal-vanillylmandelic-acid-vma-elisa-kit-color-432024903587.jpg)