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一些研究发现,克山病病区粮食及人每日膳食中,硒低于非病区,同该病地区分布基本一致,认为克山病病区分布是一低硒地带。进一步研究表明,以病区粮喂养的仔猪的勾浆心肌琥珀酸脱氢酶系统和细胞色素氧化酶系统
Some studies have found that in the Keshan disease area, the daily selenium content in food and people is lower than that in the non-endemic area, and the distribution in the area is basically the same. It is thought that the distribution of Keshan disease area is a low selenium area. Further studies have shown that piglets fed with ward diets have a systemic myocardial succinate dehydrogenase system and a cytochrome oxidase system