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为了揭示恶性肿瘤的发病规律，给今后的肿瘤病因学研究提供线索，为肿瘤防治规划的制订以及预防措施效果的评价提供依据，本文对武威市1991年一1993年恶性肿瘤发病资料进行了分析，现将结果报告如下：资料来源与方法恶性肿瘤发病资料来自肿瘤登记报告。发病漏报率控制在3％以下
In order to reveal the law of the onset of malignant tumors and provide clues for the future research on tumor etiology, it provides the basis for the formulation of cancer prevention and control plans and the evaluation of the effect of preventive measures. This article analyzed the incidence of malignant tumors in Wuwei City in 1991-1993. The results are now reported as follows: Sources and methods The incidence of malignancy comes from the registration report. The incidence of missed reports is controlled below 3%