Re: Breast Cancer Study

[Brian Rees <brees@LANL.GOV>]

At 11:38 PM 6/21/2002 -0700, hflong@postoffice.pacbell.net wrote:

>Selection  could explain  what Lubin calls "radiologic risk" [for breast

>cancer] of radiology technicians.



Especially since the abstract clearly states that the study is based on 

those women who _responded_.  Self-selection bias can be considerable.



Brian Rees





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