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Pérez-Ràfols C, Liu Y, Wang Q, Cuartero M, Crespo GA.Pérez-Ràfols C, et al.Sensors (Basel). 2020 Jul 21;20(14):4049. doi: 10.3390/s20144049.Sensors (Basel). 2020.PMID: 32708149Free PMC article.Review.