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食管癌是世界上第6位最常见的癌症,在香港发病率也很高。作者对香港华人中食管癌的病因学进行了一项有对照的研究。所调查的病例为1989年和1990年在香港4家医院中住院的确诊为食管癌的病人400例,对照1598例,调查了社会人口统计学特点,所得
Esophageal cancer is the sixth most common cancer in the world and its incidence in Hong Kong is also high. The authors conducted a controlled study of the etiology of esophageal cancer among Chinese in Hong Kong. The investigated cases were 400 confirmed cases of esophageal cancer hospitalized in 4 hospitals in Hong Kong in 1989 and 1990, compared with 1598 cases and investigated the characteristics of social demography, the income