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Diffusion of interferon beta in Iran and its utilization in Tehran

There are few studies on the diffusion of expensive new therapies in low‐ or middle‐income countries. The objectives of this study were to describe the diffusion of interferon beta for the treatment of patients with multiple sclerosis (MS) in Iran and to analyze its use in a cohort of 890 patients in Tehran registered in the Iranian MS Society (IMSS) registry.