Objective To prepare purified protein derivative of histoplasmin.
目的研制荚膜组织胞浆菌素纯蛋白衍生物。
METHODS In a cross-sectional survey, we studied purified protein derivative(PPD) test in exposure group and control group.
方法采用分组对照研究的方法，检查组与对照组对结核菌素纯蛋白衍化物（PPD）试验的反应情况。
Objective To further testify the value of applying purified protein derivative(PPD) of tuberculin in monitoring the immunocompetence.
目的进一步证实P P D实验在监测结核免疫力中的应用价值。
Methods According to the questionnaire, the test of PPD (purified protein derivative), X-ray checking and sputum bacteria culture method had been used.
方法应用PPD试验、X线透视、痰菌培养等方法开展现况调查。
Methods To observe the scar shapes of 367 infants aged 12 weeks after BCG vaccination and to analyze the purified protein derivative seroconversion results.
方法观察367名接种卡介苗后满12周儿童卡痕形成情况，并对其纯蛋白衍生物试验阳转结果进行分析。
Objective To study the diagnostic value of tuberculosis protein chip, acid-fast smear and tuberculin purified protein derivative (PPD) in pulmonary tuberculosis.
目的探讨结核蛋白芯片、痰涂片抗酸染色及结核菌素(PPD)皮试单独和联合检测对肺结核患者临床诊断的意义。
Methods: The investigation was performed to 3265 subjects by standardized tuberculin test with the purified protein derivative of tuberculin (PPD) produced by Beijing Xiangrui Bioengineering Company.
方法：采用结核菌素皮肤接种试验和问卷调查的方法，调查3 265名大学生结核感染情况。
Methods: The investigation was performed to 3265 subjects by standardized tuberculin test with the purified protein derivative of tuberculin (PPD) produced by Beijing Xiangrui Bioengineering Company.
方法：采用结核菌素皮肤接种试验和问卷调查的方法，调查3 265名大学生结核感染情况。
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