Lung cancer in Finland and Norway: an epidemiological study.
D000367:Age Factors; D000397:Air Pollution; D005163:Factor Analysis, Statistical; D005260:Female; D005387:Finland; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009664:Norway; D009790:Occupations; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D012424:Rural Population; D012494:Sampling Studies; D012621:Seasons; D012907:Smoking; D029002:Steam Bath; D014505:Urban Population