Smoking habits of a Lebanese group and cancer of the lung and larynx.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005770:Gastrointestinal Neoplasms / Q000453:epidemiology; D006801:Humans; D007822:Laryngeal Neoplasms / Q000453:epidemiology*; D007861:Lebanon; D008175:Lung Neoplasms / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012907:Smoking