Some problems of lung cancer.
D000397:Air Pollution; D002277:Carcinoma; D002283:Carcinoma, Bronchogenic / Q000209:etiology*; D002840:Chromates / Q000633:toxicity*; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D009077:Mucins; D009532:Nickel / Q000633:toxicity*; D012141:Respiratory Tract Infections / Q000150:complications*; D012907:Smoking
D002840:Chromates; D009077:Mucins; D009532:Nickel
AIR POLLUTION; CARCINOMA, BRONCHOGENIC/etiology; CHROMATES/toxicology; LUNG NEOPLASMS/etiology; MUCIN; NICKEL/toxicology; RESPIRATORY TRACT INFECTIONS/complications; SMOKING