. 1994 Apr 15;139(8):761-4; discussion 769-71.
doi: 10.1093/oxfordjournals.aje.a117070.
Invited commentary: ecologic biases
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- PMID: 8178789
- DOI: 10.1093/oxfordjournals.aje.a117070
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Invited commentary: ecologic biases
Am J Epidemiol.
.
No abstract available
Comment in
-
Re: "Accepting the limits of ecologic studies: Drs. Greenland and Robins reply to Drs. Piantadosi and Cohen".Am J Epidemiol. 1995 Feb 1;141(3):277-8. doi: 10.1093/oxfordjournals.aje.a117437. Am J Epidemiol. 1995. PMID: 7710514 No abstract available.
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