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APA Citation
Page, N., Hallingberg, B., Brown, R., Lowthian, E., Hewitt, G., Murphy, S., & Moore, G. (2021). change over time in adolescent smoking, cannabis use and their association: findings from the School Health Research Network in Wales. Journal of public health, 43, e620–e628. http://access.bl.uk/ark:/81055/vdc_100148062727.0x000048