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. 2017 May 2;11:817–827. doi: 10.2147/OPTH.S130706

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© 2017 Dell et al. This work is published and licensed by Dove Medical Press Limited

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Longitudinal analysis of tear breakup time.

Notes: Error bars: standard error of the mean values. ***Wilcoxon signed rank test against BL (P<0.001). (A) Site 1 and (B) site 2.

Abbreviations: BL, baseline; FU, follow-up.