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APA Citation
Xu, W., Hao, Y., Wu, Q., Ning, N., You, J., Liu, C., Jiao, M., Gao, L., Kang, Z., Liang, L., Sun, H., Cui, Y., Li, Y., Han, X., Fang, X., Zhao, X., Hu, M., Ding, D., Gao, H., & Lu, J. (2015). community preparedness for emergency: a cross-sectional survey of residents in Heilongjiang of China. BMJ open, 5(11), . http://access.bl.uk/ark:/81055/vdc_100135151753.0x000009