Uthman, N. A., Sohrab, S. S., Kamal, I. H., Farraj, S. A., Masri, B. E., Ashshi, A. M., … Azhar, E. I. (2014). Genetic diversity of the pandemic influenza A (H1N1) virus in Saudi Arabia. The Journal of Infection in Developing Countries, 8(12), 1563–1573. https://doi.org/10.3855/jidc.4420