Fonseca, Francina and Simonavičius, Erikas and Bo, Alessandra and Vandam, Liesbeth and Ferri, Marica and Mancheño, Cinta and Hasselberg, Ines and Mestre-Pintó, Joan-I and Torrens, Marta and Montanari, Linda (2026) Integrated treatment approaches for co-occurring mental health and substance use disorders: findings from a survey of European healthcare providers. Irish Journal of Psychological Medicine, Early online, pp. 1-7. https://doi.org/10.1017/ipm.2026.10174.