Research on the long-term change trend of inpatient expenses of a tertiary hospital in Shenzhen based on grey correlation analysis
Wu Xiaoyun, Tang Xuemin, Liu Xueyan, Zheng Yinxiong, Yu Changrong.
journal1 . 2020, (4): 293 -297 .  DOI: 10.3969/j.issn.1006-5253.2020.04.002