title: Letter: Melanoma after exposure to PCB's.
mesh_terms: D001140:Aroclors / Q000009:adverse effects*; D002273:Carcinogens; D006801:Humans; D008297:Male; D008545:Melanoma / Q000139:chemically induced*; D009784:Occupational Diseases / Q000139:chemically induced; D011078:Polychlorinated Biphenyls / Q000009:adverse effects*
chemical_list: D001140:Aroclors; D002273:Carcinogens; D011078:Polychlorinated Biphenyls