Cohen, B L <br/><br/>
Ecological versus case-control studies for testing a linear-no threshold dose-response relationship.  [electronic resource] 

 -  International journal of epidemiology  Sep 1990 
 - 680-4 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0300-5771 
<br/><br/><label>Standard No.: </label>10.1093/ije/19.3.680  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Case-Control Studies<br/>Epidemiologic Methods<br/>Linear Models