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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/).
The survival rate of human dermal fibroblasts (HDFs) grown in various concentrations of PM10. Data are provided as mean ± SD of three independent experiments. p-values were calculated with respect to control by Student’s t-test. p < 0.001 (***) versus control.