PT - JOURNAL ARTICLE AU - Friel, James K. TI - Folic acid supplementation: more work is needed DP - 2000 Oct 31 TA - Canadian Medical Association Journal PG - 1129--1130 VI - 163 IP - 9 4099 - http://www.cmaj.ca/content/163/9/1129.2.short 4100 - http://www.cmaj.ca/content/163/9/1129.2.full SO - CMAJ2000 Oct 31; 163