Methods The inhA genes in 30 M. tuberculosis clinical isolated were analysed by PCR-SSCP ( single stranded conformation polymorphism ) and PCR-DS ( diret sequancing ) .
方法用PCR单链构象多态性（PCR-SSCP）和PCR直接测序法（PCR-DS）分析30株结核分枝杆菌临床分离株inhA基因。
diret