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Choi Y, Oh SW, Choi TH, Sohn HJ, Do SM, Yoon TH.Choi Y, et al. Among authors: oh sw.Opt Express. 2020 Jul 6;28(14):20553-20562. doi: 10.1364/OE.397444.Opt Express. 2020.PMID: 32680112Free article.