Figure 1From: A comprehensive evaluation of food fortification with folic acid for the primary prevention of neural tube defects Rates of NTDs in Newfoundland and Labrador, 1976 to 2001 (3-year moving average rates) *The rate for 1976 is a 2-yr average based on data for 1976 and 1977 and the rate for 2001 is a 2-yr average based on data for 2000 and 2001.Back to article page