METHODS In a cross-sectional survey, we studied purifiedproteinderivative(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。
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Objective To further testify the value of applying purifiedproteinderivative(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。
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Objective To study the diagnostic value of tuberculosis protein chip, acid-fast smear and tuberculin purifiedproteinderivative (PPD) in pulmonary tuberculosis.