title: Porphyrin biosynthesis disorders in persons occupationally exposed to chronic lead effect.
mesh_terms: D006801:Humans; D007855:Lead Poisoning / Q000378:metabolism*; D009784:Occupational Diseases / Q000139:chemically induced* / Q000378:metabolism; D011166:Porphyrins / Q000096:biosynthesis*; D013997:Time Factors
chemical_list: D011166:Porphyrins