7Piersimoni C, Scarparo C. Relevance of commercial Amplification Methods for Direct Detection of Mycobacterium tuberculosis complex in Clinical samples[J]. J Clin Microbiol, 2003,41 : 5355.
8ShanKar P. Manjunath N. MohanK K, et al. Papid diagnosis of tuberculosis Meninigifis by polymerase chain reaction[J]. The Iancet, 1991,237(4) :5.