Lary, J M <br/><br/>
Prevalence of spina bifida at birth--United States, 1983-1990: a comparison of two surveillance systems.  [electronic resource] 

 -  MMWR. CDC surveillance summaries : Morbidity and mortality weekly report. CDC surveillance summaries  Apr 1996 
 - 15-26 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>1545-8636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Folic Acid--administration & dosage<br/>Humans<br/>Infant, Newborn<br/>Male<br/>Neural Tube Defects--epidemiology<br/>Population Surveillance--methods<br/>Pregnancy<br/>Prenatal Care<br/>Prevalence<br/>Spinal Dysraphism--epidemiology<br/>United States--epidemiology