Hakkarainen Hakkarainen KM KM Juuti Juuti R R Burkill Burkill S S Geissbühler Geissbühler Y Y Sabidó Sabidó M M Popescu Popescu C C Pregnancy outcomes after exposure to interferon beta: a register-based cohort study among women with MS in Finland and Sweden Pregnancy outcomes after exposure to interferon beta: a register-based cohort study among women with MS in Finland and Sweden Therapeutic Advances in Neurological Disorders Therapeutic Advances in Neurological Disorders 2020 2020 13 13 175628642095107 175628642095107 10.1177/1756286420951072 10.1177/1756286420951072. The gene discussed is IFNB1; the disease is nervous system disorder.