New urinary porphobilinogen screening test: modified Mauzerall-Granick test.
D006801:Humans; D007475:Ion Exchange Resins; D008722:Methods; D011164:Porphyrias / Q000175:diagnosis / Q000652:urine*; D011166:Porphyrins / Q000378:metabolism / Q000652:urine*
D007475:Ion Exchange Resins; D011166:Porphyrins