Folic acid fortification.
Pfeiffer
C M
CM
Gunter
E W
EW
Miller
D T
DT
D000368:Aged; D005492:Folic Acid / Q000008:administration & dosage* / Q000097:blood; D005527:Food, Fortified; D006801:Humans; D008875:Middle Aged
D005492:Folic Acid