Determination of Homocysteine and Vitamin B12 level in blood Patients Rheumatoid Arthritis in KirKuk Governorate. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 6 [cited 2026 Nov. 8];21(5):104-9. Available from: https://tjpsj.org/index.php/tjps/article/view/1036