Kramer, M D <br/><br/>
Maternal smoking and placenta previa.  [electronic resource] 

 -  Epidemiology (Cambridge, Mass.)  May 1991 
 - 221-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1044-3983 
<br/><br/><label>Standard No.: </label>10.1097/00001648-199105000-00012  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Case-Control Studies<br/>Confidence Intervals<br/>Female<br/>Humans<br/>Logistic Models<br/>Odds Ratio<br/>Placenta Previa--epidemiology<br/>Pregnancy<br/>Random Allocation<br/>Risk Factors<br/>Smoking--adverse effects<br/>Washington--epidemiology