observational-data

Investigation of heterogeneity in the association between interferon beta and disability progression in multiple sclerosis: an observational study

Marginal structural Cox models for estimating the association between beta-interferon exposure and disease progression in a multiple sclerosis cohort

Interferon beta and long-term disability in multiple sclerosis

Association between use of interferon beta and progression of disability in patients with relapsing-remitting multiple sclerosis