The folic acid urinary excretion test in the diagnosis of intestinal malabsorption of folic acid.
D005492:Folic Acid / Q000652:urine*; D005494:Folic Acid Deficiency / Q000175:diagnosis*; D006801:Humans; D007408:Intestinal Absorption; D014316:Tritium
D014316:Tritium; D005492:Folic Acid