1. Multiple Sclerosis International Federation . Atlas of MS mapping multiple sclerosis around the world 2013. London: MSIF 2013.
2. Incidence and prevalence of multiple sclerosis in Europe: a systematic review
3. Multiple sclerosis
4. Stevenson EV , Alexander JS , Yun JW , Becker F , Gonzalez-Toledo E . Chapter 16 – Mechanisms of blood–brain barrier disintegration in the pathophysiology of multiple sclerosis. In: Minagar A (ed). Multiple sclerosis. London: Academic Press, 2016;393–413.
5. Deangelis TM , Miller A . Diagnosis of multiple sclerosis. In: Tselis AC , Booss J (eds). Handbook of clinical neurology. Amsterdam: Elsevier BV, 2014:307–12.