title: The Philadelphia pulmonary neoplasm research project: basic risk factors of lung cancer in older men.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D001194:Asbestos; D002283:Carcinoma, Bronchogenic / Q000453:epidemiology; D004781:Environmental Exposure; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000401:mortality; D008297:Male; D008400:Mass Chest X-Ray; D008875:Middle Aged; D010414:Pennsylvania; D011159:Population Surveillance; D044469:Racial Groups; D012907:Smoking
chemical_list: D001194:Asbestos