我们对徐州市区居民1993年—1995年恶性肿瘤死亡进行了回顾性调查，现将结果报告如下。一、资料与方法死因资料来自公安部门及卫生防疫部门的全死因年报，由经过培训的调查员采用“徐州市居民恶性肿瘤死亡调查卡”作为原始调查卡，逐一入户调查。人口资料由当地公安。统计部门? We conducted a retrospective survey of the deaths of malignant tumors from 1993 to 1995 in residents of Xuzhou City. The results are reported below. I. Data and Methods The cause of death data comes from the annual report of the cause of death of the public security department and the health and epidemic prevention department. The trained investigators used the “Xuzhou Resident Cancer Death Survey Card” as the original investigation card to investigate one by one. Demographic information is provided by local police. Statistics department?