title: Hexachlorobenzene pesticides and porphyria.
mesh_terms: D001555:Benzene Derivatives / Q000009:adverse effects*; D002713:Chlorine; D004781:Environmental Exposure; D006801:Humans; D007306:Insecticides / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D011164:Porphyrias / Q000139:chemically induced; D011166:Porphyrins / Q000652:urine*
chemical_list: D001555:Benzene Derivatives; D007306:Insecticides; D011166:Porphyrins; D002713:Chlorine