Hadi Alchawishli, Khanzad, et al. “Association Between Typhoid and Paratyphoid Fever With ABO Blood Group Among Patients Attending Raparin Pediatric Hospital in Erbil”. Diyala Journal of Medicine, vol. 17, no. 2, Dec. 2019, pp. 24-32, https://djm.uodiyala.edu.iq/index.php/djm/article/view/492.