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缺钾可引起心肌病变已为人们所知,曾有报告指出克山病病区居民及患者在冬季有隐性缺钾现象 (1);克山病和缺镁的关系问题亦引起了人们的重视 (2);至于锌元素,中国科学院地理研究所曾指出克山病病区水、土、粮中锌含量偏低 (3);有的报导,潜在型克山病人有粒中性白血球内镁、锌均低于健康人 (4)。为了进一步摸清克山病病区人群此三种元素究竟是否缺乏,我们曾于1963～1964年和1973年在克山病病区与非病区采集了膳食、
Potassium deficiency can cause cardiomyopathy has been known, there have been reports that residents and patients in Keshan disease in recessive potassium deficiency in winter (1); Keshan disease and the relationship between magnesium deficiency also caused people’s (2). As for the zinc element, Institute of Geography, Chinese Academy of Sciences pointed out that the content of zinc in water, soil and grain of Keshan disease area is low (3). Some reports suggest that potential Keshan patients have neutrophil Magnesium, zinc were lower than healthy people (4). In order to further find out whether the three elements of the population in Kesshan disease ward are scarce, we collected meals in Keshan disease and non-ward areas from 1963 to 1964 and 1973,