The decisive conclusions to be drawn from the available epidemiological data, mostly
geography and prevalence, of MS are:(1) a north-south (as well as west-east in the United …

The decisive conclusions to be drawn from the geography and prevalence of MS are:(1) a
north-south (as well as west-east in the United States) gradient exists independent from …

Although the cause of multiple sclerosis (MS) is unknown, epidemiologic studies support
both genetic and environmental components of susceptibility. Reports of clusters, small …

The systematic study of multiple sclerosis (MS) in populations, started in 1929 by Sydney
Allison, now consists of over 400 publications dealing with the prevalence of MS throughout …

Geographically, multiple sclerosis (MS) seems to be distributed into three zones of high,
medium, and low frequency. High-frequency areas, with prevalence rates over 30 per …

Five thousand three hundred five World War II and Korean conflict veterans who have been
compensated by the Veterans Administration for multiple sclerosis (MS) were matched to …

Multiple sclerosis (MS) is among the most intensively studied neurologic diseases from an
epidemiologic point of view. Its inhomogeneous geographic occurrence has suggested that …

Both mortality and morbidity data indicate quite clearly that multiple sclerosis is a
geographically-related disease, and thus MS can be thought of as an acquired …

The traditional view, based on numerous early studies and reviews, is that MS is particularly
prevalent in temperate zones both on the northern and southern hemisphere. This uneven …

The oversimplified but commonly accepted belief, based on the comparison of the
prevalence studies conducted until 1980, that the distribution of multiple sclerosis (MS) in …