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. 2007 Feb 24;334(7590):424.
doi: 10.1136/bmj.38977.682025.2C.

Missing data

Affiliations

Missing data

Douglas G Altman et al. BMJ. .
No abstract available

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Conflict of interest statement

Competing interests: None declared.

References

    1. Evans SJW. Good surveys guide. BMJ 1991;302:302-3. - PMC - PubMed
    1. Burton A, Altman DG. Missing covariate data within cancer prognostic studies: a review of current reporting and proposed guidelines. Br J Cancer 2004;91:4-8. - PMC - PubMed