Himmelstein, D U <br/><br/>
Bias in, bias out: a reply to Sheils, Young, and Rubin.  [electronic resource] 

 -  Health affairs (Project Hope)  1992 
 - 235-8 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0278-2715 
<br/><br/><label>Standard No.: </label>10.1377/hlthaff.11.2.235-a  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Canada<br/>Humans<br/>Insurance, Health<br/>National Health Programs--economics<br/>United States