Chen Cheng, Xu Mengmeng, Zhao Qing, Liu Chengxiu, Yang Hongjun, Feng Yuchuan
2017, Vol. 37(2): 503-507
doi: 10.6023/cjoc201612005
a College of Chemistry & Environment Protection Engineering, Southwest University for Nationalities, Chengdu 610041;
b Preparatory School, Southwest University for Nationalities, Chengdu 610041;
c Southwest University for Nationalities Hospital, Chengdu 610041
