RE: Cohen's Ecologic Studies

[epirad@mchsi.com]

Dr. Raabe,



Dr. Lubin does do this in the paper. 



Regards, Bill Field

> June 3, 2002

> Davis, CA

> 

> Lubin's new paper attacking Cohen's ecological studies of lung cancer and

> radon continues the repeated theme that there are possible non-linear

> confounding factors that could theoretically explain Cohen's results. This

> is true. However, it seems to me to be important to specifically identify

> these confounding factors and show how they affect the results. I don't

> think that has been accomplished.

> 

> Otto

> 

> **********************************************

> Prof. Otto G. Raabe, Ph.D., CHP

> Center for Health & the Environment

> (Street Address: Bldg. 3792, Old Davis Road) 

> University of California, Davis, CA 95616

> E-Mail: ograabe@ucdavis.edu

> Phone: (530) 752-7754   FAX: (530) 758-6140

> ***********************************************

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