“Development of a Method for the Sorption Immobilization of Bromelain on N-Maleoylchitosan and the Study of the Structural Features of the Obtained Complex”. 2022. Sorbtsionnye I Khromatograficheskie Protsessy 22 (3): 335-46. https://doi.org/10.17308/sorpchrom.2022.22/9340.