title: A SURVEY ON THE PREVALENCE RATE OF CARCINOMA OF THE ESOPHAGUS IN NORTH CHINA.
mesh_terms: D000437:Alcoholism; D002681:China; D004938:Esophageal Neoplasms; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*; D015995:Prevalence
keywords: ALCOHOLISM; CHINA; ESOPHAGEAL NEOPLASMS; NEOPLASM ETIOLOGY; NEOPLASM STATISTICS