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Previous Volume 344:1793-1796 June 7, 2001 Number 23 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Ascherio et al. (Feb. 1 issue)¹ report that they found no association between hepatitis B vaccination and the onset of multiple sclerosis. Vaccination was confirmed only in the respondents who said they had been vaccinated. Exclusions involved only the women with multiple sclerosis or the controls who had potentially been vaccinated, not those stating they had not been vaccinated. Similar rates of exclusion are cited for the women with multiple sclerosis and the controls, but with the wrong denominator, which should have referred to the positive cases and controls. Rather than exclude 35 percent of the women . . . [Full Text of this Article]

References

This article has been cited by other articles:

• Hernan, M. A., Jick, S. S., Olek, M. J., Jick, H. (2004). Recombinant hepatitis B vaccine and the risk of multiple sclerosis: A prospective study. Neurology 63: 838-842 [Abstract] [Full Text]