CHAPLENKO, Alexander; MONOGAROVA, Oksana; OSKOLOK, Kirill. Colorimetry and Indirect X-ray Fluorescence Determination of Active Ingredients in Tetracycline Hydrochloride Drug and Injection Solution of B12 Vitamin Using of Polyurethane Foam Sorbents. Iraqi Journal of Pharmaceutical Sciences, Baghdad, Iraq, v. 26, n. 2, p. 7–11, 2017. DOI: 10.31351/vol26iss2pp7-11. Disponível em: https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/666.. Acesso em: 5 nov. 2024.