MpondoB. C., KabangilaR., LucheriE., ErnestA., and KidenyaB. R. “Immune Recovery Among HIV-Infected Patients in Northwestern Tanzania After 2 Years of Anti-Retroviral Therapy Use: A Retrospective Cohort Study”. Tanzania Journal of Health Research, Vol. 17, no. 4, Sept. 2015, doi:10.4314/thrb.v17i4.1.