Ismail, Parween Abdulsamad, Akam Jasim Mustafa, Dlzhin Bahram Waissi, and Yusra Sirwan Kareem. 2022. “Evaluation of Vitamin D and Trace Element Level in Sera of Patients With Rheumatoid Arthritis”. Iraq Medical Journal 6 (1):1-5. https://doi.org/10.22317/imj.v6i1.1114.