title: Incorporation of (4-14 C) -aminolaevulinate into urinary porphyrins in porphyria cutanea tarda: effect of chloroquine therapy.
mesh_terms: D000328:Adult; D000368:Aged; D001344:Autopsy; D002247:Carbon Isotopes; D002264:Carboxylic Acids / Q000032:analysis / Q000652:urine; D002738:Chloroquine / Q000627:therapeutic use*; D003653:Decarboxylation; D005243:Feces / Q000032:analysis; D006801:Humans; D007982:Levulinic Acids / Q000378:metabolism*; D008099:Liver / Q000032:analysis / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D011164:Porphyrias / Q000188:drug therapy / Q000378:metabolism* / Q000652:urine; D011166:Porphyrins / Q000032:analysis / Q000652:urine*
chemical_list: D002247:Carbon Isotopes; D002264:Carboxylic Acids; D007982:Levulinic Acids; D011166:Porphyrins; D002738:Chloroquine