Ul Abedien, Z., S. Ur Rahman, M. Shafiq, K. Gul, U. Tanveer, A. Mehmood, N. Zafar, S. Ali, and S. Sajid. “Analysis of Receptor Binding Domain for Possible Mutations in S Gene Region of SARS-CoV-2”. International Journal of Health Sciences, vol. 6, no. S9, Nov. 2022, pp. 6903-14, doi:10.53730/ijhs.v6nS9.13688.