Grover, Gurprit, Adesh Kumar Gadpayle, Prafulla Kumar Swain, and Barnali Deka. 2013. “A Multistate Markov Model Based on CD4 Cell Count for HIV/AIDS Patients on Antiretroviral Therapy (ART)”. International Journal of Statistics in Medical Research 2 (2):144-51. https://doi.org/10.6000/1929-6029.2013.02.02.08.