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APA Citation
Milton, K., Kelly, M. P., Baker, G., Cleland, C., Cope, A., Craig, N., Foster, C., Hunter, R., Kee, F., Kelly, P., Nightingale, G., Turner, K., Williams, A. J., Woodcock, J., & Jepson, R. (2021). use of natural experimental studies to evaluate 20mph speed limits in two major UK cities. Journal of transport & health, 22, . http://access.bl.uk/ark:/81055/vdc_100140622698.0x00000e