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![Human Vitamin A ELISA Kit (Colorimetric) [NBP2-60191] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60191_human-vitamin-a-elisa-kit-colorimetric-3120248315918.png "Human Vitamin A ELISA Kit (Colorimetric) [NBP2-60191] - Standard Curve Reference")
![ELISA: Canine Vitamin A ELISA Kit (Colorimetric) [NBP2-60190] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.](http://images.novusbio.com/fullsize/Canine-Vitamin-A-ELISA-Kit-Colorimetric-ELISA-NBP2-60190-img0001.jpg "ELISA: Canine Vitamin A ELISA Kit (Colorimetric) [NBP2-60190] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![Canine Vitamin A ELISA Kit (Colorimetric) [NBP2-60190] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60190_canine-vitamin-a-elisa-kit-colorimetric-3120248315914.png)
![ELISA: Plant Vitamin A ELISA Kit [NBP2-60193] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.](http://images.novusbio.com/fullsize/Plant-Vitamin-A-ELISA-Kit-ELISA-NBP2-60193-img0001.jpg "ELISA: Plant Vitamin A ELISA Kit [NBP2-60193] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![Plant Vitamin A ELISA Kit (Colorimetric) [NBP2-60193] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60193_plant-vitamin-a-elisa-kit-colorimetric-3120248485442.png)
![ELISA: Equine Vitamin A ELISA Kit (Colorimetric) [NBP2-60189] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.](http://images.novusbio.com/fullsize/Equine-Vitamin-A-ELISA-Kit-Colorimetric-ELISA-NBP2-60189-img0001.jpg "ELISA: Equine Vitamin A ELISA Kit (Colorimetric) [NBP2-60189] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![Equine Vitamin A ELISA Kit (Colorimetric) [NBP2-60189] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60189_equine-vitamin-a-elisa-kit-colorimetric-3120248343424.png)
![Mouse Vitamin A ELISA Kit (Colorimetric) [NBP2-60192] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60192_mouse-vitamin-a-elisa-kit-colorimetric-3120248315922.png "Mouse Vitamin A ELISA Kit (Colorimetric) [NBP2-60192] - Standard Curve Reference")
![ELISA: Bovine Vitamin A ELISA Kit (Colorimetric) [NBP2-60188] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.](http://images.novusbio.com/fullsize/Bovine-Vitamin-A-ELISA-Kit-Colorimetric-ELISA-NBP2-60188-img0002.jpg "ELISA: Bovine Vitamin A ELISA Kit (Colorimetric) [NBP2-60188] - These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.")
![Bovine Vitamin A ELISA Kit (Colorimetric) [NBP2-60188] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60188_bovine-vitamin-a-elisa-kit-colorimetric-3120248504612.png)
![Rat Vitamin A ELISA Kit (Colorimetric) [NBP2-60194] - Standard Curve Reference](http://images.novusbio.com/fullsize/nbp2-60194_rat-vitamin-a-elisa-kit-colorimetric-312024850461.png "Rat Vitamin A ELISA Kit (Colorimetric) [NBP2-60194] - Standard Curve Reference")