AN ELECTRON MICROSCOPIC STUDY ON UNIDENTIFIED VIRUSES ISOLATED FROM SEVERAL ORGANS OF KESHAN DISEASE

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<正> Several virus strains were isolated from different organs of the acute or subacute Keshan disease (克山病) sufferers and on them was made a preliminary serological study. Thereafter on some of these unidentified virus strains we have made further e
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2016年8月27—28日在北京大学召开,由北京大学哲学系、北京大学西方古典学中心主办,主题为“古代世界的自然与理性”。来自北京大学、清华大学、中国人民大学、中国社会科学
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