Cooper, S., Foster, K., Naughton, F., Leonardi-Bee, J., Sutton, S., Ussher, M., …Coleman, T. (2015). Pilot study to evaluate a tailored text message intervention for pregnant smokers (MiQuit): study protocol for a randomised controlled trial. Trials, 16, Article 29. https://doi.org/10.1186/S13063-014-0546-4