Buck, D <br/><br/>
Interpreting results of observational research. Problem with confounders can be tackled.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Nov 1994 
 - 1439 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0959-8138 
<br/><br/><label>Standard No.: </label>10.1136/bmj.309.6966.1439  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Confounding Factors, Epidemiologic<br/>Humans<br/>Research Design<br/>Statistics as Topic--methods