方法：根据临床特点、细胞学、细菌学、结核菌素试验、X线胸片、纤维支气管镜、肺ct、肺mri、痰结核菌PCR及其他有关检查确定诊断。
Method: the diagnosis was made according to clinical manifestation, cytology, bacteriology, ot, chest X-ray film, bronchoscopy, lung ct, MRI, sputum tuberculin PCR and the other related examinations.
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。
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。
METHODS In a cross-sectional survey, we studied purified protein derivative(PPD) test in exposure group and control group.
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