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APA Citation
Xu, J., Tang, B., Liu, M., Bai, Y., Yan, W., Zhou, X., Xu, Z., He, J., Jin, D., Sun, J., Li, Y., He, F. J., MacGregor, G. A., Wu, J., & Zhang, P. (2020). a town level comprehensive intervention study to reduce salt intake in China: protocol for a cluster randomised controlled trial. BMJ open, 10(1), . http://access.bl.uk/ark:/81055/vdc_100135151356.0x000006