Chenjin Ma, Yan Jiang, Yang Li, Yuming Zhang, Xiaojun Wang, Shuangge Ma, & Yu Wang. (2019). Medical expenditure for middle-aged and elderly in Beijing. BMC.
Chicago Style (17th ed.) CitationChenjin Ma, Yan Jiang, Yang Li, Yuming Zhang, Xiaojun Wang, Shuangge Ma, and Yu Wang. Medical Expenditure for Middle-aged and Elderly in Beijing. BMC, 2019.
MLA (9th ed.) CitationChenjin Ma, et al. Medical Expenditure for Middle-aged and Elderly in Beijing. BMC, 2019.
Warning: These citations may not always be 100% accurate.