Smoking and natural immunity to tumours.
D002478:Cells, Cultured; D004406:Dysgammaglobulinemia / Q000209:etiology*; D005260:Female; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007166:Immunosuppressive Agents; D007694:Killer Cells, Natural / Q000276:immunology*; D008297:Male; D008545:Melanoma / Q000276:immunology*; D012878:Skin Neoplasms / Q000276:immunology*; D012907:Smoking / Q000503:physiopathology*
D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007166:Immunosuppressive Agents