Chinese Journal of Medical Education ›› 2020, Vol. 40 ›› Issue (8): 637-640.DOI: 10.3760/cma.j.cn115259-20191011-00842
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Cong Xin1, Zhang Yan1, Xu Hai1, Liu Limei1, Zheng Ming1, Xiang Ruolan1, Cai Jingyi2, Wu Liling1