Whitemore, Rachel, Leonardi-Bee, Jo, Naughton, Felix, Sutton, Stephen, Cooper, Sue, Parrott, Steve, Hewitt, Catherine, Clark, Miranda, Ussher, Michael, Jones, Matthew, Torgerson, David, Coleman, Tim, "Effectiveness and cost-effectiveness of a tailored text message programme (MiQuit) for smoking cessation in pregnancy: study protocol for a randomised controlled trial and meta-analysis", Trials, 2019