Fu Y. Systemic Immune-Inflammation Index and Depressive Symptoms in US Adults: Implications for Immunomodulatory Interventions—A Cross-Sectional Study from NHANES 2005–2020. Trends Immunother. [Internet]. 2026 Jan. 6 [cited 2026 Mar. 25];10(1):217-31. Available from: https://ojs.ukscip.com/index.php/ti/article/view/2243