For citations:
Shchukin V.M., Kuz'mina N.E., Ruziev R.D., Pripadchev D.A., Kuznetsov M.A. Pharmacopoeial requirements for elemental impurities in radiopharmaceuticals (review). Regulatory Research and Medicine Evaluation. 2025;15(4):421-433. (In Russ.) https://doi.org/10.30895/1991-2919-2025-751