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. 2011 May 5;6(5):e19553. doi: 10.1371/journal.pone.0019553

Figure 1. Western blot showing the negative cellular contamination of the tear samples.

Figure 1

Four differing tear fluid pools P1–P4 were applied into the wells of SDS-PAGE gel. Equal amount of protein was loaded in each well. CEC, corneal epithelial cell lysate.