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有关结核菌素试验的探讨安徽省合肥市妇幼保健所（２３０００１）朱洁卡介苗接种后３至４年，约５０％左右的接种对象结核菌素试验已转阳性，是否就说明这些儿童已无免疫力，需要复种卡介苗，对此我们进行了试验观察。１９９３年３月我们对合肥市省政府幼儿园４至６岁小儿...
About tuberculin test Hefei City, Anhui Province Maternal and Child Health Hospital (230001) Zhu Jie 3 to 4 years after BCG vaccination, about 50% of vaccinated subjects tuberculin test has turned positive, whether it shows that these children have no immunity , Need multiple seeded BCG, which we conducted a test observation. March 1993 4 to 6-year-old children in our kindergarten in Hefei