Chaplenko, A., Monogarova, O. and Oskolok, K. (2018) “X-Ray Fluorescence Determination of Trace Elements in Vitamin-Mineral Complexes and Medicinal Herbs Using Chemically Modified Polyurethane Foam Sorbents”, Iraqi Journal of Pharmaceutical Sciences, 27(2), pp. 1–6. doi:10.31351/vol27iss2pp1-6.