Wang, Liansheng <br/><br/>
Causal conclusions are most sensitive to unobserved binary covariates.  [electronic resource] 

 -  Statistics in medicine  Jul 2006 
 - 2257-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0277-6715 
<br/><br/><label>Standard No.: </label>10.1002/sim.2344  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bias<br/>Case-Control Studies<br/>Contraceptives, Oral--adverse effects<br/>Data Interpretation, Statistical<br/>Female<br/>Humans<br/>Lung Neoplasms--chemically induced<br/>Models, Statistical<br/>Shock, Septic--etiology<br/>Smoking--adverse effects<br/>Tampons, Surgical--adverse effects<br/>Thromboembolism--chemically induced