Cui, Wei <br/><br/>
Sex differences in birth defects: a study of opposite-sex twins.  [electronic resource] 

 -  Birth defects research. Part A, Clinical and molecular teratology  Nov 2005 
 - 876-80 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1542-0752 
<br/><br/><label>Standard No.: </label>10.1002/bdra.20196  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Congenital Abnormalities--epidemiology<br/>Female<br/>Humans<br/>Male<br/>Retrospective Studies<br/>Risk Factors<br/>Sex Factors<br/>Twins