Jejunal pH and folic acid.
D005494:Folic Acid Deficiency / Q000139:chemically induced*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption / Q000187:drug effects; D007583:Jejunum / Q000187:drug effects*; D010672:Phenytoin / Q000009:adverse effects*
D010672:Phenytoin