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群体调查方法在放射性致癌作用研究中必不可少。本文就近年来群体调查方法所取得的一些成果作一初步分析,以期有益于这项研究的进一步发展。医院、现场、实验室的结合1945年8月6日和9日,美国在日本的广岛和长崎先后投下了两颗原子弹,造成了大量伤亡,幸存者或多或少地受到了放射性感染。战后,国际有关的卫生组织对82,000名幸存者进行了注册登记,发现这两地的癌症发生率与日俱增,于是建立
Methods of population investigation are essential in the study of radiogenic carcinogenesis. This article makes a preliminary analysis on some achievements made by the group survey methods in recent years in order to benefit the further development of this research. Hospital, Site, and Laboratory Integration On August 6 and 9, 1945, the United States dropped two atomic bombs in Hiroshima and Nagasaki in Japan, causing a large number of casualties and survivors to have been more or less infected with radioactive contamination. After the war, 82,000 survivors were registered by the relevant international health organizations and found that the incidence of cancer in these two places increased with each passing day. Therefore,