“The Use of Sorbents of Various Natures for the Extraction of Non-Steroidal Anti-Inflammatory Drugs from Aqueous Media (review)”. Sorbtsionnye I Khromatograficheskie Protsessy, vol. 21, no. 2, Apr. 2021, pp. 196-15, https://doi.org/10.17308/sorpchrom.2021.21/3354.