Jejunal pH and folic acid.
D001463:Barbiturates / Q000494:pharmacology; D004827:Epilepsy / Q000188:drug therapy; D005492:Folic Acid / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007583:Jejunum / Q000187:drug effects / Q000378:metabolism*; D010672:Phenytoin / Q000627:therapeutic use
D001463:Barbiturates; D010672:Phenytoin; D005492:Folic Acid