Simpler and Faster Spectrophotometric Determination of Diclofenac Sodium in Tablets, Serum and Urine Samples. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 10, n. 1 & 2, p. 53–58, 2009. DOI: 10.21743/. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/443. Acesso em: 5 nov. 2025.