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Weekly changes in the subjective symptoms scores according to the subjects’ diaries. Data are expressed as the mean ± standard deviation. # p < 0.05 versus the placebo group as per the Mann-Whitney U test. ●; LH2171 group, ▲; placebo group. (A) sneezing, (B) runny nose, (C) nasal blockage, (D) eye itching, (E) tearing.
