[A causative factors study of esophageal cancer among city inhabitants in Xian: the role of smoking & drinking].
Han
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CL
D000328:Adult; D000428:Alcohol Drinking; D004938:Esophageal Neoplasms / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012907:Smoking