title: Multiple sclerosis: progress in epidemiologic and experimental research. A review.
mesh_terms: D002980:Climate; D004777:Environment; D004812:Epidemiologic Methods; D005843:Geography; D006801:Humans; D007239:Infections; D007557:Israel; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology / Q000276:immunology; D012897:Slow Virus Diseases / Q000150:complications; D012959:Socioeconomic Factors