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. 2019 Aug 19;9:12037. doi: 10.1038/s41598-019-48595-2

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Expression of fibroblasts genes (α-actin, fibronectin, decorin, elastin, DDR2, and MMP2) treated with a 940 nm diode laser at 0.5 Watts and 4 J/cm², following two treatment protocols: one dose (T1) and two doses (T2). Data are expressed as ng of mRNA per average ng of housekeeping mRNAs ± SD. *p ≤ 0.05 Significance in the treated group was determined with respect to the control group.