Jawad, N. A., Z. A. Al-Khafaji, and B. J. Al-Tamimi. “Molecular Detection and Phylogenetic Study Role of ORF1ab in SARS-COV2 on Patients in Hilla City”. International Journal of Health Sciences, vol. 6, no. S3, Apr. 2022, pp. 4112-20, doi:10.53730/ijhs.v6nS3.6693.