title: The distribution of lung cancer in two Canadian cities.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002170:Canada; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012306:Risk; D012737:Sex Factors