Author/Authors :
Jean M Lawrence، نويسنده , , Diana Bpetitti، نويسنده , , Margaret Watkins، نويسنده , , Mary Anne Umekubo، نويسنده ,
Abstract :
From 1994 to 1998, median serum folate values in clinical specimens increased from 12·6 to 18·7 μg/L. The percentage of low values decreased. Food fortification with folic acid is a likely explanation.