153568.fig.001a
(a)
153568.fig.001b
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153568.fig.001c
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153568.fig.001d
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Figure 1: Clinical skin symptoms. Three different doses of NL (5, 25, and 50 mg/mice/day) were administered orally from the day of DNCB sensitization. The photographs were taken on day 28 before the sacrifice of the mice.