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Comparison of the wetting length of Schirmer I test at different time points. Wetting length of Schirmer’s test strip was shorter than week 0 after induction of DES and increasing of SIT was observed after therapy from week 1 to week 8 in group CsA, group Esculetin and group C&E. (*P<0.05 compared with group Normal control at week 0, *P<0.05 compared with group DES at week 1–8 respectively, △P<0.05 compared with group C&E at week 1–8, respectively).
