About Spina Bifida Overview
Internet URL
http://www.sbaa.org/site/c.gpILKXOEJqG/b.2028877/k.E453/Overview.htm 
Sponsoring Agency
Spina Bifida Association of America
Description
Spina bifida is the most frequently occurring permanently disabling birth defect. It affects approximately one out of every 1,000 newborns in the United States.