luo et al. 2014, luo et al. 2013, lo et al. 2014, lu et al. 2014, luo et al. 2015, luo et al. 2012, luo et al. 2011, luo et al. 2010, luo et al. 2016, luo et al. 2017, luo et al. 2019, luo et al. 2004, luo et al. 2018, luo et al. 2017 zhaobing et al. 2018, luo et al. 2024
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