Folic acid supplementation.
Millar
Wayne J
WJ
Health Statistics Division, Statistics Canada, Ottawa, Ontario, K1A 0T6. Wayne.Millar@statcan.ca
D000293:Adolescent; D000328:Adult; D002170:Canada; D019587:Dietary Supplements; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D009436:Neural Tube Defects / Q000188:drug therapy / Q000517:prevention & control*; D011247:Pregnancy; D012923:Social Class
D005492:Folic Acid