Radon and smoking status.
D000328:Adult; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D009784:Occupational Diseases / Q000401:mortality*; D011848:Radioactive Pollutants; D011886:Radon; D012907:Smoking
D011848:Radioactive Pollutants; D011886:Radon