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APA Citation
Notley, C., Blyth, A., Maskrey, V., Karavadra, B., Brown, T., Holland, R., Bachmann, M. O., Brandon, T. H., & Song, F. (n.d.). self-help materials for smoking relapse prevention: a process evaluation of the SHARPISH randomized controlled trial. Journal of public health, 40, 98–105. http://access.bl.uk/ark:/81055/vdc_100095475584.0x000017