[Epidemiology of multiple sclerosis in Portugal and Spain].
de Sá
João
J
Servicio de Neurología, Hospital de Santa Maria, Lisboa, Portugal. jcorreiasa@gmail.com
D006801:Humans; D009103:Multiple Sclerosis / Q000453:epidemiology*; D011174:Portugal / Q000453:epidemiology; D013030:Spain / Q000453:epidemiology