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. 1995;161(Suppl 161):77-88.
doi: 10.1111/j.1600-0404.1995.tb05861.x.

Environmental associations with the risk of multiple sclerosis: the contribution of ecological studies

K Lauer  1
Affiliations

Environmental associations with the risk of multiple sclerosis: the contribution of ecological studies

K Lauer. Acta Neurol Scand Suppl. 1995.
No abstract available

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References

    1. Susser M. What is a cause and how do we know one? A grammar for pragmatic epidemiology. Am J Epidemiol 1991: 133: 635–648. - PubMed
    1. Rothman K. Modern epidemiology. Boston: Little, Brown, 1986.
    1. Ruse T., et al. Guidelines for analytical epidemiological studies of multiple sclerosis (in preparation).
    1. Greenland S., Robins J. Invited commentary: ecological studies — biases, misconceptions, and counterexamples. Am J Epidemiol 1994: 139: 747–760. - PubMed
    1. Swank R., Lerstad O., Ström A., Backer J. Multiple sclerosis in rural Norway. Its geographic and occupational incidence in relation to nutrition. New Engl J Med 1952: 246: 721–728. - PubMed

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