Ahmad, Tauseef, Haroon Haroon, Kabir Ahmad, S. Mudasser Shah, Muhammad Waseem Shah, Akbar Hussain, Sajid Jalal, Waqar Ahmad, Muhammad Khan, Harapan Harapan, Kuldeep Dhama, Mukhtiar Baig, and Jin Hui. “Hepatitis E Vaccines: A Mini Review”. Biomedical Research and Therapy 8, no. 9 (September 29, 2021): 4514-4524. Accessed December 23, 2024. http://bmrat.biomedpress.org/index.php/BMRAT/article/view/690.