Proebstl, S., Vogel, C., Lawrence, W., Strömmer, S., Inskip, H., Hammond, J., Hart, K., McGill, K., Harvey, N. C., Barker, M., Baird, J. (2025). Process evaluation of a randomised controlled trial aimed at improving health behaviours and vitamin D status during pregnancy: Implementation of the SPRING trial. PLoS ONE. https://doi.org/10.1371/journal.pone.0319224