DEVELOPMENT AND VALIDATION OF METHOD FOR THE QUANTITATIVE DETERMINATION OF ZINC IN ITS CHELATE COMPLEXES USING ENERGY DISPERSIVE X-RAY FLUORESCENCE SPECTROSCOPY ArticleMarukhlenko А.V., Maksimova Т.V., Pleteneva Т.V., Morozova М.А.Разработка и регистрация лекарственных средств. Vol. 10. 2021. P.. 154-161