Research on the Development Direction of Marketing Models of Foreign Trade Enterprises in the New Era by Guan Xin, Guo Xiaomei, Zhang Liyun, Zhao Haibo, Xie Shufang

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Effect of Anti-Rheumatic Drugs on Cardiovascular Disease Events in Rheumatoid Arthritis by Yang Baoqi, Yang Baoqi, Ma Dan, Ma Dan, Zhao Xingxing, Zhu Xueqing, Zhu Xueqing, Wang Yajing, Wang Yajing, Xu Ke, Xu Ke, Zhang Liyun, Zhang Liyun

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Dynamic expression of CEACAM7 in precursor lesions of gastric carcinoma and its prognostic value in combination with CEA by Zhou Jinfeng, Zhang Liyun, Gu Yong, Li Kai, Nie Yongzhan, Fan Daiming, Feng Yichao

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Source attribution for sporadic nontyphoidal Salmonella cases using the frequency- matching Hald model by ZHANG Liyun, BAI Li, LIANG Junhua, WANG Yeru, QI Yan, LIU Zhaoping, YANG Xingfen, WANG Yibaina, WU Yongning

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Efficient vegetation restoration in Mu Us desert reduces microbial diversity due to the transformation of nutrient requirements by Yu Zhouchang, Zhang Wei, Zhang Liyun, Ma Shihai, Sun Lin, Liu Yushu, Zhang Ying, Sailike AHejiang, Shi Jiayi, Cao Ling, Zhou Ronglei, Xie Zhiguo, Li Ziyan, Yang Peizhi

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