Plasma Serotonin Levels and Depression Scores in Informal Caregivers of Patients with Dementia and without Dementia: A Systematic Review. Indonesian Journal of Medicine, [S. l.], v. 11, n. 1, p. 1–10, 2026. DOI: 10.26911/theijmed.2026.11.1.913. Disponível em: https://theijmed.com/index.php/theijmed/article/view/913. Acesso em: 17 oct. 2026.