2024. Enzymatic Study of Methionine Sulfoxide Reductase A, some other Enzymes Associated with Neural Pathways and Oxidative Stress in Down Syndrome Patients in Mosul City. Rafidain Journal of Science. 33, 4 (Dec. 2024), 81–89. DOI:https://doi.org/10.33899/rjs.2024.185386.