PT - JOURNAL ARTICLE AU - Kadir, Rezan A. AU - Economides, Demetrios L. TI - Neural tube defects and periconceptional folic acid DP - 2002 Aug 06 TA - Canadian Medical Association Journal PG - 255--256 VI - 167 IP - 3 4099 - http://www.cmaj.ca/content/167/3/255.short 4100 - http://www.cmaj.ca/content/167/3/255.full SO - CMAJ2002 Aug 06; 167