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1988年由于黔南州盐源不足,当地分别于5、7两月将库存30年的战备盐(颗粒海盐)供应给已于1985年达到控制标准的原地方性甲状腺肿大病(以下简称:地甲病)病区的平塘县清水乡和塘边乡,罗甸县罗苏乡,惠水县羡塘乡,荔波县朝阳乡和王蒙乡.为了解食用库存30年盐后地甲病区发病情况,我们于1989年10月对以上地区所有在校的7～14岁学生2903人采用“地方性甲状腺肿防治工作标准〈试行〉”进行判定性调查,并用硫酸铈接触法测定了当地居民尿碘值,结果报告如下:
In 1988, due to insufficient source of salt in Qiannan Prefecture, the local supply of war preparation salt (pellet sea salt) 30 years of stockpile in 5 and 7 months respectively to the original endemic goiter which reached the control standard in 1985 (hereinafter referred to as A disease) ward Pingtang County Township and Township pond Township, Luodian County Township, Huitui Xian Township, Libo County, Chaoyang Township and Wang Meng Township. District incidence, we conducted in October 1989 to all the above-school 2,90 to 7-year-old students 2903 “endemic goiter prevention and control work standards ” for determining the investigation and determination with cerium sulfate contact method Urine iodine value of the local residents, the results reported as follows: