Khaleefah , Hayder Allawi, et al. “Genetic Analysis of DXS101and DXS6807 Short Tandem Repeat (X-STR) in Samples of Iraqi Arab Male Population”. Journal of Biotechnology Research Center (JOBRC), vol. 14, no. 1, Dec. 2020, pp. 34-38, doi:10.24126/jobrc.2020.14.1.586.