Inhibition of intestinal absorption of folic acid by phenytoin.
D000328:Adult; D000368:Aged; D004827:Epilepsy / Q000188:drug therapy; D005260:Female; D005492:Folic Acid / Q000378:metabolism* / Q000627:therapeutic use / Q000652:urine; D005494:Folic Acid Deficiency / Q000139:chemically induced* / Q000188:drug therapy; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption / Q000187:drug effects*; D007583:Jejunum; D008875:Middle Aged; D010672:Phenytoin / Q000009:adverse effects* / Q000627:therapeutic use; D014316:Tritium
D014316:Tritium; D010672:Phenytoin; D005492:Folic Acid