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. Author manuscript; available in PMC: 2017 Nov 11.
Published in final edited form as: Vaccine. 2016 Oct 11;34(47):5802–5807. doi: 10.1016/j.vaccine.2016.09.052

Figure 2. Accuracy of Lot Number and Expiration Date When Entered via Traditional Methods or 2D Barcode Scanning.

Figure 2

Using chi-square tests the differences between the percentage of accurate data using traditional methods and 2D barcode scanning is statistically significant at the P < .001 level.