Sarah Abdul Hameed Sahib, Ghassan Mohammad Sulaiman, and Huda J. Waheed. 2024. “Evaluation of the Frequency Of  (rs2227981 and rs2282055) Single Nucleotide Polymorphisms in Programmed Cell Death 1 and Its Ligand Genes of Iraqi Patients With Multiple Sclerosis”. Iraqi Journal of Pharmaceutical Sciences( P-ISSN 1683 - 3597 E-ISSN 2521 - 3512) 33 (3): 209-17. https://doi.org/10.31351/vol33iss3pp209-217.