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我们对1974、1975年在四川、云南病区临床确诊为亚急型克山病的75例患儿进行了心脏X线观察。其年龄、性别分布见表1。
We performed a cardiac X-ray examination of 75 children clinically diagnosed as subacute Keshan disease in 1974 and 1975 in the Yunnan and Wunan wards. Its age, sex distribution in Table 1.