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Interleukin (IL)-1α in treated skin and day-5 laser wounds in the axilla. IL-1α was detected in 169 of the 176 tape-strip samples. IL-1α levels did not differ (p = 0.673) between the zinc oxide (ZnO) and placebo groups after 8 days of skin treatment or in the laser wounds (p = 0.599). Mean ± standard error of the mean (SEM).
