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. 2012 Dec 7;7(12):e51303. doi: 10.1371/journal.pone.0051303

Figure 1. Characterization of the quality of TM healing.

Figure 1

(A) The scoring system used to evaluate the healing quality of TM perforations. (B) The quality of TM healing for tPA−/− mice (square) and WT mice (circle) at various time points following TM perforation. (C) The quality of TM healing for uPA−/− mice (trangle), tPA−/− mice (square) and WT (circle) mice at day 9 after perforation. (D) The quality of TM healing for uPA−/− mice, tPA−/− mice and WT mice at day 12 after perforation. (E) The quality of TM healing for uPA−/− mice, tPA−/− mice and WT mice at day 15 after perforation. NS indicates not significant. P<0.05 was considered to be significant.