Spectrophotometric micro determination of drug promethazine hydrochloride in some pharmaceutical by chelating with Rhodium. Baghdad Science Journal, Iraq, Baghdad, v. 5, n. 4, p. 638–645, 2008. DOI: 10.21123/bsj.2008.5.4.638-645. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/945.. Acesso em: 18 jun. 2025.