Simultaneous Determination of Sulphamethoxazole and Trimethoprim in Binary Mixtures and in Tablet Using Derivative Spectrophotometry. Al-Nahrain Journal of Science, [S. l.], v. 18, n. 1, p. 46–54, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/348.. Acesso em: 7 may. 2024.