Nutritional folate deficiency and the small-intestinal mucosa.
D000367:Age Factors; D000749:Anemia, Megaloblastic / Q000473:pathology; D002675:Child, Preschool; D004847:Epithelial Cells; D004848:Epithelium / Q000473:pathology; D005494:Folic Acid Deficiency / Q000473:pathology*; D006801:Humans; D007223:Infant; D007413:Intestinal Mucosa / Q000473:pathology*; D007421:Intestine, Small / Q000473:pathology*