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Zhang, Yanfeng, Qiong Wu, Michelle Helena van Velthoven, Li Chen, Josip Car, Ye Li, Wei Wang, và Robert W. Scherpbier. Care-seeking and Quality of Care for Outpatient Sick Children in Rural Hebei, China: A Cross-sectional Study. Croatian Medical Schools, 2013.

Zhang, Yanfeng, et al. Care-seeking and Quality of Care for Outpatient Sick Children in Rural Hebei, China: A Cross-sectional Study. Croatian Medical Schools, 2013.