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甘肃省地方病防治研究所等采用亚硒酸钠作对照,在相对稳定的轻病区,观察硒代二乙酸防治大骨节病的疗效,将244例3～13岁儿童随机分为口服亚硒酸钠组,肌注硒代二乙酸一年一次组和一年二次组,以右手 X 线片及发硒含量为监测指标。经一年的防治观察,三组均取
Gansu Institute of endemic diseases such as sodium selenite as a control, in relatively stable light ward, selenodiacetate to observe the curative effect of prevention and treatment of Kashin-Beck disease, 244 cases of children aged 3 to 13 were randomly divided into oral selenious acid Sodium group, intramuscular seleno-diacetic acid once a year group and twice a year group to the right hand X-ray and selenium content as a monitoring indicator. After a year of prevention and treatment observation, three groups were taken