When does a serum folate determination indicate folate deficiency?
D000704:Analysis of Variance; D001681:Biological Assay; D001774:Blood Chemical Analysis / Q000592:standards; D002908:Chronic Disease; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000175:diagnosis*; D006801:Humans
D005492:Folic Acid