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Zhang, Xinyi, Qiongqiong Xu, Xiaolei Guo, Zhengyue Jing, Long Sun, Jiajia Li, and Chengchao Zhou. "Catastrophic Health Expenditure: A Comparative Study between Hypertensive Patients With and Without Complication in Rural Shandong, China." BMC Public Health 2020.

Zhang, Xinyi, et al. "Catastrophic Health Expenditure: A Comparative Study between Hypertensive Patients With and Without Complication in Rural Shandong, China." BMC Public Health 2020.