目的分析不同年龄组复治肺结核患者结核分支杆菌的耐药情况，探讨当前结核病耐药性发展趋势。
Objective To analyze the condition of Mycobacterium tuberculosis drug resistance of retreatment patients in different age group, evaluating the present trending of drug resistance of tuberculosis.
分析复治肺结核的原因，为今后制定防治策略提供依据。
To analyze the causes of relapsing tuberculosis in patients, provide scientific basis for prevention and control.
目的探讨左旋氧氟沙星对复治菌阳肺结核的治疗效果。
Objective To study the curative effect of chemotherapy with Levofloxacin on relapsing pulmonary tuberculosis (RPTB).
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