Improved national prevalence estimates for 18 selected major birth defects--United States, 1999-2001.  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Jan 2006 
 - 1301-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1545-861X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Congenital Abnormalities--epidemiology<br/>Humans<br/>Population Surveillance<br/>Prevalence<br/>United States--epidemiology