For citations:

Kuleshova S.I., Denisova I.A., Pshenichnykh T.I. Stability of Cephalosporins in Solution in Terms of the Colour of Solution and Impurities. Regulatory Research and Medicine Evaluation. 2025;15(1):34-43. (In Russ.) https://doi.org/10.30895/1991-2919-2025-15-1-34-43