Case-control study weakness

[Muckerheide <muckerheide@attbi.com>]

Friends,



Have you reviewed the paper below on case-control study over-matching error?



Comments?



Regards, Jim Muckerheide

========================



Removal of radiation dose response effects: an example of over-matching.

Marsh JL, Hutton JL, Binks K.

Department of Statistics, University of Newcastle upon Tyne NE1 7RU



If you can comment, the full paper is free at:

http://bmj.com/cgi/content/full/325/7359/327?view=full&pmid=12169512





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