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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Relationships between HQ and UVB-irradiated dA: (a) Cytotoxicity test of HQ on Detroit 551 cells; (b) HQ production of UVB-irradiated dA (100 μM). Each value represents the mean ± SE (n = 3). * p < 0.05, compared with the control.