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Objective
To investigate aquaporin‐4 antibody (AQP4‐IgG) dynamics and relapse risk in patients with seropositive neuromyelitis optica spectrum disorder treated with immunosuppressants.
Methods
This observational cohort study with prospectively collected data included 400 neuromyelitis optica spectrum disorder patients seropositive for AQP4‐IgG and treated with immunosuppressants. Serum AQP4‐IgG...