Tan, L., Zhang, J., Cheng, L., Yan, W., Diwan, V. K., Long, L., & Nie, S. (2013). Selecting Targeted Symptoms/Syndromes for Syndromic Surveillance in Rural China. Online Journal of Public Health Informatics, 5(1). https://doi.org/10.5210/ojphi.v5i1.4473