Ali A. Naji Ghyadh , Dr. Raad Kareem Faraj Al-Jourani. “Assessment of Primary Schools Teachers’ Knowledge about First Aids in Al-Najaf City”. Drugs and Cell Therapies in Hematology, vol. 10, no. 1, Nov. 2021, pp. 3996-04, http://www.dcth.org/index.php/journal/article/view/772.