Bravington, Alison, Boland, Jason W., Greenley, Sarah, Lind, Michael, Murtagh, Fliss E.M., Patterson, Michael, Pearson, Mark, Johnson, Miriam J., "Exploring pathways to optimise care in malignant bowel obstruction (EPOC): Protocol for a three-phase critical realist approach to theory-led intervention development for shared decision-making", PLoS ONE, 2024