Morris, J K <br/><br/>
Risk of a Down syndrome live birth in women 45 years of age and older.  [electronic resource] 

 -  Prenatal diagnosis  Apr 2005 
 - 275-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0197-3851 
<br/><br/><label>Standard No.: </label>10.1002/pd.1059  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Amniocentesis<br/>Down Syndrome--diagnosis<br/>Europe--epidemiology<br/>Female<br/>Humans<br/>Infant, Newborn<br/>Maternal Age<br/>Middle Aged<br/>Pregnancy<br/>Pregnancy Outcome--epidemiology<br/>Risk Factors