Objective: To observe the characteristics of brain fMRI during olfactory stimulation in patients with neuromyelitis optica spectrum disease (NMOSD) and multiple sclerosis (MS). compare the differences of brain functional activation areas between patients with NMOSD and MS. and explore the characteristics of olfactory-related brain networks of NMOSD and MS. Methods: Nineteen patients w... https://missouriquiltcoes.shop/product-category/calendars/