Simultaneous Determination of Sulphamethoxazole and Trimethoprim in Binary Mixtures and in Tablet Using Derivative Spectrophotometry. ANJS [Internet]. 2018 Jun. 20 [cited 2024 Nov. 25];18(1):46-54. Available from: https://mail.anjs.edu.iq/index.php/anjs/article/view/348