title: [Excretion of porphyrin precursors, aminolevulinic acid and porphobilinogen, in normal individuals].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011162:Porphobilinogen / Q000652:urine*; D000623:Porphobilinogen Synthase / Q000652:urine*
chemical_list: D011162:Porphobilinogen; D000623:Porphobilinogen Synthase
vernacular_title: Excreción de precursores porfirínicos, ácido aminolevulínico y porfobilinógeno, en individuos normales.