Cigar and pipe smoking in relation to lung cancer and excess mortality.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005060:Europe; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000150:complications / Q000453:epidemiology / Q000401:mortality*; D012923:Social Class; D013557:Switzerland; D006113:United Kingdom; D014481:United States