Why, how and in what contexts interventions on social determinants of health work on socio-health inequities? The case of returnees from Spain and the United Kingdom in the post-Brexit scenario Publication date: Available online 13 August 2026 Source: Journal of Migration and Health Author(s): Pilar Serrano-Gallardo, María Fernández-Elorriaga, Laura Esteban-Gonzalo, Laura Otero-García