Gulevich AL, Rakhman’ko EM, Egorov VV, Smirnova MS. Anion-exchange extraction of mefenamic acid. Журнал Белорусского государственного университета. Химия. 2019;(2):10-17. Accessed July 18, 2026. https://journals.bsu.by/index.php/chemistry/article/view/1236