Clark, M., Cooper, S., Naughton, F., Ussher, M., Emery, J., Mcdaid, L., Thomson, R., Phillips, L., Bauld, L., Aveyard, P., Torgerson, D., Berlin, I., Lewis, S., Parrott, S., Hewitt, C., Welch, C., Parkinson, G., Dickinson, A., Sutton, S., Brimicombe, J., …Coleman, T. (2024). Smoking, nicotine and pregnancy 2 (SNAP2) trial: protocol for a randomised controlled trial of an intervention to improve adherence to nicotine replacement therapy in pregnancy. BMJ Open, 14(5), Article e087175. https://doi.org/10.1136/bmjopen-2024-087175