title: Porphyrin excretion in scleroderma (acrosclerosis). A Study.
mesh_terms: D006801:Humans; D011166:Porphyrins / Q000652:urine*; D012594:Scleroderma, Localized; D012595:Scleroderma, Systemic / Q000652:urine*
chemical_list: D011166:Porphyrins
keywords: PORPHYRINS/urine; SCLERODERMA/urine