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1980年美国疾病控制中心流行病学局主任Dr.Brachman PS曾来我国进行访问。现将其在北京所作学术报告的有关内容摘要整理于下,以供参考。
In 1980, director Dr.Brachman PS of the US Centers for Disease Control epidemiology visited our country. The summary of the academic report it made in Beijing is summarized below for reference.