RT Journal Article SR Electronic T1 Folic Acid Supplementation and Cancer Risk: Point JF Cancer Epidemiology Biomarkers & Prevention JO Cancer Epidemiol Biomarkers Prev FD American Association for Cancer Research SP 2220 OP 2225 DO 10.1158/1055-9965.EPI-07-2557 VO 17 IS 9 A1 Kim, Young-In YR 2008 UL http://cebp.aacrjournals.org/content/17/9/2220.abstract AB