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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/).
Grading scores of appearance senescence in the control and L. paracasei PS23 treated (PS23) groups in the (A) male and (B) female mice. Data were analyzed using the t-test. * p < 0.05.