Sarah Abdul Hameed Sahib, Ghassan Mohammad Sulaiman, Huda J. Waheed. 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 . 2024;33(3):209-217. doi:10.31351/vol33iss3pp209-217