Brain-derived neurotrophic factor in fibromyalgia: A systematic review and meta-analysis of its role as a potential biomarker. - Behnoush, Amir Hossein; Khalaji, Amirmohammad; Khanmohammadi, Shaghayegh; Alehossein, Parsa; Saeedian, Behrad; Shobeiri, Parnian; Teixeira, Antonio L.; Rezaei, Nima (PLoS ONE, 2023)