Smoking, immunity, and cancer.
D005260:Female; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology; D008175:Lung Neoplasms / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D008545:Melanoma / Q000276:immunology*; D012907:Smoking