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在结核病控制中，痰涂片检查结核菌，对发现传染源、确定化疗方案、考核治疗效果和评价控制措施等具有重要意义。不同时间留取的不同住状的痰标本，其阳性检出率有明显差异。现将我所847例痰检结果分析如下。材料与方法疑似肺结核的患者送检的痰标本847例（每1例痰标本包括1份
Tuberculosis control, sputum smear examination of Mycobacterium tuberculosis, to identify the source of infection, to determine the chemotherapy regimen, assessment of treatment and evaluation of control measures is of great significance. The sputum specimens of different live specimens taken at different times showed a significant difference in the positive detection rate. Now my 847 sputum examination results are as follows. Materials and Methods 847 sputum specimens from patients suspected of having pulmonary tuberculosis (1 sputum specimen per 1 patient