Effects of natalizumab on oligoclonal bands in the cerebrospinal fluid of patients with multiple sclerosis: a systematic review and meta-analysis. - Liampas, Andreas; Tseriotis, Vasilis-Spyridon; Mavridis, Theodoros; Vavougios, George D.; Zis, Panagiotis; Hadjigeorgiou, Georgios M.; Bargiotas, Panagiotis; Pourzitaki, Chryssa; Artemiadis, Artemios (Neurological Sciences, 2025)