TY - JOUR T1 - Effectiveness of psychosocial interventions for adults with substance use disorder that have a co-occurring mental health disorder: an umbrella review and illustrative cost-effectiveness analysis JO - Health Technology Assessment UR - https://doi.org/10.3310/gjes1821 PY - 2026/06/01 AU - Simpson E AU - Kwon S AU - Essat M AU - Wong R AU - Ren S AU - Stacey S AU - Day E AU - Stevenson M ED - DO - DOI: 10.3310/gjes1821 PB - National Institute for Health and Care Research SP - 1 EP - 141 Y2 - 2026/07/06 ER -