Essman, M., Bishop, T., Burgoine, T., Jones, A., Polden, M., Robinson, E., Smith, R., Adams, J., White, M. (2025). Implementation and enforcement of mandatory calorie labelling regulations for the out-of-home sector in England: Qualitative study of the experiences of business implementers and regulatory enforcers. PLoS ONE. https://doi.org/10.1371/journal.pone.0323452