title: Quantitative and qualitative porphyrin excretion in normal subjects.
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; D011166:Porphyrins / Q000652:urine*; D012016:Reference Values; D012737:Sex Factors
chemical_list: D011166:Porphyrins