1. Extra pulmonary tuberculosis: a diagnostic dilemma;Jain;Indian J Clin Biochem,2001
2. The PCR-based diagnosis of central nervous system tuberculosis: up to date;Takahashi;Tuberc Res Treat,2012
3. Trends in tuberculosis—United States, 2012;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2013
4. Centers for Disease Control and Prevention, National Center for HIV/AIDS, viral Hepatitis, STD and TB Prevention. http://www.cdc.gov/nchhstp/stateprofiles/pdf/nebraska_profile.pdf
5. Recognizing laboratory cross-contamination: two false positive cultures of Mycobacterium tuberculosis—Oklahoma, 2011;Johnson;Chest,2013