Absence of an association between serum interleukin-6 and brain-derived neurotrophic factor in drug-naïve first-episode major depression. Arch Clin Psychiatry (former: Rev Psiq Clin) [Internet]. 2021 Oct. 1 [cited 2025 Apr. 29];48(5):229-30. Available from: https://revistas.usp.br/acp/article/view/231785