Hernán, Miguel A <br/><br/>
A structural approach to selection bias.  [electronic resource] 

 -  Epidemiology (Cambridge, Mass.)  Sep 2004 
 - 615-25 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1044-3983 
<br/><br/><label>Standard No.: </label>10.1097/01.ede.0000135174.63482.43  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case-Control Studies<br/>Disease--etiology<br/>Environmental Exposure--adverse effects<br/>Epidemiologic Methods<br/>Epidemiologic Research Design<br/>Evaluation Studies as Topic<br/>Humans<br/>Longitudinal Studies<br/>Models, Theoretical<br/>Research<br/>Research Subjects<br/>Risk Factors<br/>Selection Bias