Staff Experiences of Working with Children and Adolescents Engaging in Behaviours That Challenge in Mental Health and Paediatric Inpatient Environments: A Qualitative Exploratory Study across Four European Countries. - Goodwin, John; O'Malley, Maria; O'Donovan, Aine; Allen, Stephanie; Curtin, Margaret; Goulding, Ryan; Groen, Gunter; Heffernan, Sinead; Ivanova, Svetla; Korhonen, Joonas; Jörns-Presentati, Astrid; Kostadinov, Kostadin; et al. (Child Care in Practice, 2025)