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七十年代我国运用死亡回顾调查方法,在恶性肿瘤描述流行病学研究方面,取得了显著的进展。为尽快弄清我国各种恶性肿瘤的病因和发展因素,为预防肿瘤提供科学依据,还需要积极开展前瞻性流行病学观察以及致病因素与肿瘤的发生和死亡之间的相关研究。在深入进行癌症病因探索的过程中,环境污染与肿瘤以及职业癌的研究是一个不容易忽视的重要方面。工矿企业内部肿瘤的流行病学研究对癌症病因探索有重要作用。探讨癌症病因和致癌物
In the seventies of our country using death review survey method, made significant progress in the description of epidemiological studies of malignant tumors. In order to clarify the etiology and development factors of various malignant tumors in our country as soon as possible and to provide a scientific basis for the prevention of cancer, we also need to actively carry out prospective epidemiological observations and related studies on the causal factors and tumor occurrence and death. In the process of exploring the cause of cancer in depth, the study of environmental pollution and cancer as well as occupational cancer is an important aspect that can not be ignored easily. Epidemiological studies on the internal tumor of industrial and mining enterprises play an important role in the exploration of the cause of cancer. Explore cancer causes and carcinogens