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APA Citation
Wu, X., Guan, Y., Ye, J., Fu, H., Zhang, C., Lan, L., Wu, F., Tang, F., Wang, F., Cai, Y., Yu, W., & Feng, T. (2019). association between syphilis seroprevalence and age among blood donors in Southern China: an observational study from 2014 to 2017. BMJ open, 9(11), . http://access.bl.uk/ark:/81055/vdc_100135546729.0x000007