Billah, Arif, and Mosharaf Hossain. “A Literature Based on Entry and Development of Human Immunodeficiency Virus into the Human Host”. International Journal of Scientific Reports 6, no. 6 (May 21, 2020): 226–232. Accessed February 11, 2025. https://www.sci-rep.com/index.php/scirep/article/view/727.