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. 2021 Apr 6;6:48. doi: 10.1038/s41541-021-00310-x

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Fig. 3 — NA activity of N1 and N2 in PBS or DPBS at room temperature was measured using MU-NANA assay in triplicate at weeks 0, 3, 8, 12, and 24 using week 0 as a baseline. Points represent individual samples.