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. 2018 Aug 29;12:1571–1580. doi: 10.2147/OPTH.S170552

Figure 1.

Figure 1

Rates of extraction of MUC5AC and total protein in human tears from Schirmer strips.

Notes: Human tears were extracted from Schirmer strips using 600 µL of extraction solution for 1 hour. The graph shows the average of duplicate assays. The white (□) and black (■) columns show the extraction rates for MUC5AC and total protein, respectively.