Asbestos and smoking.
D001194:Asbestos / Q000633:toxicity*; D004357:Drug Synergism; D004781:Environmental Exposure; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D009538:Nicotine / Q000009:adverse effects; D011658:Pulmonary Fibrosis / Q000209:etiology; D012306:Risk; D012907:Smoking / Q000150:complications*
D001194:Asbestos; D009538:Nicotine