Wu, Taishun <br/><br/>
[A 1:2 matched case-control study on congenital external malformation during perinatal period].  [electronic resource] 

 -  Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]  Jan 2002 
 - 19-21 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0253-9624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case-Control Studies<br/>Congenital Abnormalities--etiology<br/>Female<br/>Humans<br/>Male<br/>Multivariate Analysis<br/>Perinatal Care<br/>Pregnancy<br/>Risk Factors