Mohammed Qasim Al-Samarrai, Khlaf F Al-Samarrai. Determination of Riboflavin and Cyanocobalamine Spectrophotometricaly via Area Under Curve Method. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 2 [cited 2025 Jun. 17];22(10):139-45. Available from: https://tjpsj.org/index.php/tjps/article/view/899