Getahun, H., Gunneberg, C., Granich, R. and Nunn, P. (2010) HIV Infection-Associated Tuberculosis: The Epidemiology and the Response. Clinical Infectious Diseases, 50, 35201-5207.
 Corbett, E.L., Watt, C.J., Walker, N., Maher, D., Williams, B.G., et al. (2003) The Growing Burden of Tuberculosis: Global Trends and Interactions with the HIV Epidemic. Archives of Internal Medicine, 163, 1009-1021. http://dx.doi.org/10.1001/archinte.163.9.1009
 Ekwueme, O.C., Ezeoke, U.E. and Mgbeokwere, U. (2009) The Prevalence and Socio-Demographic Characteristics of Persons with TB and TB/HIV Co-Infection at the Chest Clinic of the University of Nigeria Teaching Hospital, Enugu, Nigeria. Journal of College of Medicine, 14, 6-17.
 Lawn, S.D., Bekker, L., Middelkoop, K., Myer, L. and Wood, R. (2006) Impact of HIVI Infection on the Epidemiologyof Tuberculosis in a Peri-Urban Community in South Africa: The Need for Age-Specific Interventions. Clinical Infectious Diseases, 42, 1040-1047. http://dx.doi.org/10.1086/501018
 Muhammad, U.M., Ubeera, S., Hussain, M.A., Anum, S., Fatima, O., et al. (2011) Urban-Rural Inequities in Knowledge, Attitudes and Practices Regarding Tuberculosis in Two Districts of Pakistan’s Punjab Province. International Journal for Equity in Health, 10, 8. http://dx.doi.org/10.1186/1475-9276-10-8
 Rajewswani, R., Balasubramanian, R., Muniyadi, M., Geetharamani, S., Theresa, X. and Venkatessa, P. (1999) Socio- Economic Impact of Tuberculosis on Patients and Family in India. The International Journal of Tuberculosis and Lung Disease, 3, 869-877.
 Sreeramareddy, C.T., Panduru, K.V., Verma, S.C., Joshi, H.S. and Bates, M.N. (2008) Comparison of Pulmonary and Extrapulmonary Tuberculosis in Nepal—A Hospital-Based Retrospective Study. BMC Infectious Diseases, 8, 8. http://dx.doi.org/10.1186/1471-2334-8-8
 Musellin, B., Erturan, S., Sonmez, D.E. and Ongen, G. (2005) Comparison of Extrapulmonary and Pulmonary Tuberculosis Cases: Factors Influencing the Site of Reactivation. International Journal of Tuberculosis and Lung Disease, 9, 1220-1223.
 Ogboi, S.J., Idris, S.H., Olayinka, A.T. and Ilyas, J. (2010) Socio-Demographic Characteristics of Patients Presenting with Pulmonary Tuberculosis in a Primary Health Centre, Zaria, Nigeria. Journal of Medical Laboratory and Diagnosis, 1, 11-14.
 Hamid, S., Syed, A.H. and Ali, I. (2012) Sociodemographic Factors Associated with Sputum Positivity Rates for Tuberculosis in Patients with Cough in Srinagar Hospital, India. Pacific Journal of Medical Sciences, 9, 47-52.