Re: Re: Risks of low level radiation - New Scientist Article

["John Williams" <JohnWi@law.com>]

To: "Otto G. Raabe" <ograabe@UCDAVIS.EDU>,"Muckerheide" 

<muckerheide@MEDIAONE.NET>,"Jim Nelson" <nelsonjima@HOTMAIL.COM>, 

<jim.dukelow@PNL.GOV>,<hflong@pacbell.net> 

Subject: Re: Risks of low level radiation - New Scientist Article 

 From: "Jerry Cohen" <jjcohen@PRODIGY.NET>  Add to Contacts  

Date: Sat, Dec 15 2001 3:34:18 PM -0800 

Cc: <radsafe@list.vanderbilt.edu> 



Otto,

   Couldn't this observation apply to just about any epidemiological 

study?





>"Lubin's mathematical analysis that shows that it is

> theoretically possible that the non-LNT slope observed by Prof. 

Cohen may

> be in error without limit as a result of some unknown cross-level

> confounding relationship"





NO, Case-control studies are not subject to cross level bias.

 

 



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