Abstract Objective To determine whether low vitamin D levels in pregnant women are associated wit
Background. Worldwide, an estimated 300,000 neonates are born with neural tube defects (NTDs) each y
Abstract BACKGROUND: In October 2003 South Africa embarked on a program of folic acid fortificati
A BSTRACT Backgro
**Abstract** Neural tube defects (NTDs) represent a persistent public health challenge in South Afr