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APA Citation
Stanford, R. H., Bell, C., Nag, A., Johnson, P. T., Johnson, M. P., & Watkins, A. (2019). cross-sectional survey study to examine underuse of twice daily inhaled maintenance therapy among patients with asthma. Journal of asthma, 56, 1172–1181. http://access.bl.uk/ark:/81055/vdc_100099954021.0x000056