title: Porphyrin precursors in acute porphyria.
mesh_terms: D000328:Adult; D000622:Aminolevulinic Acid / Q000378:metabolism* / Q000494:pharmacology; D000818:Animals; D001921:Brain / Q000187:drug effects / Q000378:metabolism*; D002648:Child; D006801:Humans; D007982:Levulinic Acids / Q000378:metabolism*; D011164:Porphyrias / Q000378:metabolism*
chemical_list: D007982:Levulinic Acids; D000622:Aminolevulinic Acid