Objective To compare the application value of concentration bacteria smear method,real-time fluorescence quantitative polymerase chain reaction (FQ-PCR) method,Mycobacterium tuberculosis culture,and serological method in detection of serum TB antibodies in clinical diagnosis of tuberculosis (TB). Methods Respiratory specimens selected from 200 patients suspected tuberculosis were detected by concentration bacteria smear method,FQ-PCR method,and Mycobacterium tuberculosis culture,and TB-Ab was simultaneously...