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A comprehensive evaluation of food fortification with folic acid for the primary prevention of neural tube defects

Shiliang Liu, Roy West, Edward Randell, Linda Longerich, Kathleen Steel O'Connor, Helen Scott, Marian Crowley, Angeline Lam, Victor Prabhakaran and Catherine McCourt*

BMC Pregnancy and Childbirth 2004, 4:20  doi:10.1186/1471-2393-4-20

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