RT Journal Article SR Electronic T1 Folate status of the population in the Canadian Health Measures Survey JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1519 OP 1519 DO 10.1503/cmaj.111-2069 VO 183 IS 13 YR 2011 UL http://www.cmaj.ca/content/183/13/1519.2.abstract